N55 rattle on cold start. E81 / E82 / E87 / E88Model Year: 2004 - 2011.
N55 rattle on cold start. So many better options out there for similar money.
N55 rattle on cold start The noise is not present during idle rpm and while the vehicle is My 535i has that rattle upon cold start as well. New EGR valve, cleaned EGR cooler, new intake manifold, new coil packs, new injectors and new rear trans mount. When I bought my 05/00 beast it had the dreaded Vanos rattle on start up. Rattle is most prominent around 2000rpm. This has been documented. Most noticable around 2400 rpm, but can be heard at higher rpm. _____ F82 M4 6MT. Reply. Appreciate 0 Quote 05-16-2017, 04:20 PM I went to an exhaust shop and they said they can tack weld it open so it doesn't rattle anymore. After that it goes away until the next cold start. I have noticed at cold start, I have a VERY loud metallic rattle out of the exhaust, right at the exhaust, for about 10 seconds or so. Made some noises on cold start and when revs came down. I experienced rough start-up and idle bumping up and down (500-1200 rpm) for about ten seconds during the last cold snap, it was 23F in my garage. but thanks. wastegate rattle - basically slack in the wastegate linkage. Now lasts until the car is fully up to temperature. N55 May 14, 2024. One or more of the following faults may be stored: E70, E71, E82, E88, E90, E91, E92 and E93: 2A7C - VANOS, inlet, cold start 2A82 - VANOS, intake, variable cam Death rattle sound; Makes more noise when revving; Misfires; Check engine light; Some engines, such as the N20 and N55 engines used in the first generation BMW X1 (E84 model), are more prone to common oil Watergate rattle was a normal thing on the older n54/n55 engines, not ours. ried 815. Car went into limp mode. What is it? wheela; Dec 29, 2023; N55; Replies 13 Views 2K. Cold starts for the last 2 weeks and both flaps always open right at startup. Goes away after warm up. I just picked up a 2013 328i xDrive F30 with the N20. Very common issue if you look at the e9x boards. Since about last year, our 2003 330i was having a problem with cold-start misfires. Took the car home and have not had a check engine light on since. Leave your car off for 2 days and turn on and you should see a big puff of white smoke one guy in the dealership said its a N20 problem. Might just be a symptom of a 30 year old car. Mine only does it upon cold starts and even then it's occasional not always. M3 1509. The engine sounds well (despite 4 cylinders, direct injection and Turbo), but BMW did a bad work in the wastegate and exhaust valves so the car seems to be a 30 years old tractor M2 Technical Topics > N55 Engine / Drivetrain / Exhaust / Bolt-ons / Tuning > MPE Exhaust rattle on cold start Post Reply. F40Model Year: 2019 + Previous Generations MHD, ECUTek Calibrator | N55/S58 specialist | 2023 X5 45e Frozen Marina Bay Blue. Here’s a video of my stock 2014 335xi, 21k miles oil always changed. Appreciate 1 SCM2C 92. It's happened maybe 15 times now over a few months. The exhaust valve also do the same on cold starts, so it´s a little disgusting. These are BMWs, not Corollas. It went away with oil change N55 Rattle Noise Cold Start 09-12-2014, 04:30 AM. Page 1 of 8 Between the 3000 rpm drone, cold start rattle and the red button in the trunk (for the europeans), I'm amazed people are still buying it. 75. Join Date: May 2019. Thanks for your reply. It would happen once a week or so, usually when it's colder (less Cold start misfire. also coolant temp sensor is ok. F40Model Year: 2019 + Previous Generations; F20 / F21 I have the same rattle, mine is only there on cold start and goes away when warm. Join Date: Jun 2010. Captain . I'll start it, and the revs will jump all over the place as it's warming up. It still stumbles a little at cold start and then kind 1. It's more of an annoyance. On warm start there is nothing. What I know: Valve cover has developed crack just forward of PCV system. I had the rail pressure sensor go bad on my mom's e chassis n55 and it was nearly undrivable that is the only reason why I recommended looking into it. Typically it would misfire enough to throw a CEL, resulting in fuel-cutoff to that cylinder - a re-start would usually cure the problem. It seems to try to ignite, then sputters a bunch and slowly stalls out /w smoke from exhaust. Recently had maintenance performed at a local BMW shop I trust having the serpentine belt kit done due to the squeak of death that could have totally masked this noise. This is an older thread, you may not receive a response, and could be reviving an old thread. I recently Installed a gintani catback exhaust on my f30 and on cold starts it rattles for a bit then goes away when the valves open 2013 BMW 335xi F30 N55 PWG/VRSF DP/ER CP/Injen CAI/AA FMIC/JB4 map 7/Fuel= E50 w/ E85:93oct/Stock LPFP & HPFP/CATuned coilovers/Megan Racing Rear Swaybar/Powerflex Rear Subframe Bushing Inserts/Dual aFe Hello Kelvin, my N55 engine has begun to violently vibrate on cold starts as well, especially when starting after 2 days or more. It almost sounds like an exhaust leak. Developed this start up rattle over the past week. 2. After warming, it ran normal and idled normal (600pm). Runs fine and everything, but cold starts are pretty violent. When the engine is warm it does not happen. 15. Can you monitor/datalog? WGDC is a Does it only happen on cold starts? It sounds like its a vibration rattle. hope this one doesn't rattle when bedded in. It just seems wierd how it's reading low pressure fuel pressure Hey guys just got a 2012 135i and im hearing some weird rattling noise during idle after a cold start. Page 1 of 2: 1: 2 > Thread Tools: Search this Thread 08-13-2021, 01:12 PM the car was fully warm didn't make any noises when car was cold usually took me about 10-15 minutes of driving from a cold start to then start hearing the tapping. Join Date: Dec 2011. Car is currently at BM Clearwater for an investigation. Has anyone experienced a rattle coming from the engine bay on a LCI 335i N55 BM. m235i n55 bog down during cold starts. RS Edge 0w40, my engine ran a lot quieter (and cooler!), even when cold. it seems to quiet considerably after warming up. But issue is just noise. Posts. I have a mild/moderate waste gate rattle when cold and am curious if boost pressure can cause the 101F01 code. appeared to be leaking — I had a periodic burnt oil smell in the cabin and I could see on the turbo side of the N55 block it also doesnt make that rattle every cold start its just random Reply reply Truenaux • thanks appreciate the in depth response. Those low viscosity oils will not stay in the cam chain tensioner or vanos system. If I give it some go-peddle and increase RPMs by not even 100, it goes away. the only time oil presure gets lower is sometimes on start up, the rpms drop almost to stalling level an the oil its a 2011 e92 335i n55 FBO + stage 2 LPFP. Tips vibrate for a few seconds at cold start. To me it sounds like there is lifter tick in addition to the normal direct injection noise. It only happen on cold starts. Listen from 0:21 to 0:25. 3,282. You can go out and listen for yourself as soon as N55 engine rattle/ticking noise. In the last year, I’ve replaced the alternator, starter, and belt/tensioner/pullies. After wards, the SA said that some wastegate rattle is normal on the N55. I've noticed it when 1st drove the car and its actually started to annoy me. Yep, my n55 has the pneumatic wastegate. A slightly noisey wastegate isn’t necessarily an issue either. Sent from my iPad using Tapatalk Recently I noticed that on cold starts, the engine shakes pretty hard that you can feel the left/right movement all the way in the driver's seat. Any ideas? Thanks! My n54 had a similar noise last year especially during cold starts. But some noise is to be expected with the N54/N55 engines. Good morning yall I thought I would ask the question here and see if there is an easy solution for my X3. What did not fix the issue: New injectors, spark plugs, coils and adaptation resets as well as valvetronic start up procedure for limit learning. I know it's crazy, I have a f20 2014 plate and only with 24k miles, I would never expect that after spending that amount of money it would be expected for the car to rattle If a rattle is present, you should let your mechanic inspect the VANOS system and make any repairs or replacements that are needed. If anyone could help me out with this rattle noise and what it could be that be fantastic. (especially upon a cold start) Excess oil and gas on the spark plugs; n55 Misfires & Valvetronic Codes after replacement. Is there anything that will get rid of that damn annoying noise on cold starts? Frustrated trying to solve problem that won’t let me pass emissions test. I had a 2012 N55 which had seen long oil change intervals and it used to tick like that for a while when cold. Should I get the entire tip assembly replaced at the BMW dealer I can't speak for the N52 but the N55 you need to replace the motor and do a relearn as you stated. Loud rattle when car is cold. Its not noticeable from inside the vehicle at any time but is quite loud when standing beside the car. Stock car, 2011 N55 with 44,000KM on it. Hi guys. But, the job is much more labor intensive on the N55 due to all the stuff you need to remove. SITUATION. Cold start issues and noises; Engine stalling at idle; Hesitation or limp mode under acceleration; How to Repair a Failed Dual VANOS w/Valvetronic Unit. This only happens with cold starts. The noise becomes less noticeable when the idle settles down and disappears after warming up, when the left pipe starts producing the same flow of fumes as the right one. You can have a tune that hits maybe 18psi peak but it'll be back to 13psi at redline. Just jacked up the car and checked over pretty much everything that looked like it could rattle, remote started the car and couldn't find anything rattling but I did hear the sound again for about 3 sec (car was still warm prior to start up) 2018 Q50 luxe 49k miles 3. The Update: After a couple months with rough idle every cold start i decided to do an oil change 2 months ago. Hahaha, so maybe it's normal? The 335's are loud on cold starts with the flap open so I assume if you really did have an All N55/S55 engines may develop knocking/rattling sound on cold start on the right(passenger) side of the engine. Sounds like playing cards in bicycle spokes. Drives: 335i. Once I apply a little Within the last 2 months, a noise that is best defined as a rattle/tapping sound has become progressively louder. Reviving this my car starting to do the same, a slight moment during cold start and when the car is Results will update as you type. But once it's warm the car run fine. So many better options out there for similar money. E81 / E82 / E87 / E88Model cold start: Not controllable as the only code other than 2C58 (Limp mode code caused by other code). M2MOM 0. 454. I would get the car in the air, let it sit Upon cold start up of my car, I'll hear this very audible rattling noise. 2008 N55 rattle/tapping noise under load Post Reply. 918. Appreciate 0 Quote 08-14-2021, 07:25 PM #5: Mnazir541. I have 2015 BMW 4 X35i M sport 51000 km , with from what I understand is the N55 engine, and it makes a lifter-like ticking noise that is considerably louder on cold startup. 31. Codes are 3406, 33fe, 2d60, and 2d55 and 2d54 It's got a new exhaust VANOS actuator and still has that fault as well Customer: Yeah the car is in limp mode, its got There seems to be 3 common issues that fall in Cold Start up rattle. only when on and off the throttle. 74. no stored trouble code. The exhaust flap rattles on my 2008 E90 335xi (N54) on cold start. StryderHugo Discussion starter. . Appreciate 0 With the colder weather recently, I've noticed some valve/lifter noise at idle after a cold startup. doublespaces Administrator. Any ideas? Have a look at this On cold startup my 12' 135i M Sport makes a kind of chirping / rattle noise. M2RAW 128. The last time it happened was last night, but when I gave it more gas, everything turned alright like it never happened and the car runs smooth , except for very slight vibration while idling. Ok, like the title says, I haves 2011 535i N55 and a rough idle that only occurs on Cold start. Hey guys, n55 FBO wedge tuned stage 1 pure turbo 91oct tune I am having the weirdest trouble with this car I need some help! car has 125k miles It started off by stalling on me on a cold start, I put the car into gear, and when I reached a stop, it died. An independent garage read codes 2d60, 2C58, 2E0F and DTC P13CP and replaced replaced the exhaust vanos solenoid and today i hook my scanner and iat sensor reads correctly. F40Model Year: 2019 + Previous Generations; F20 / F21 Replaced the MAF sensor and that fixed the weird cold start bogging for the I have an 2010 335i DCT and every morning when i go to warm up my car theres a ticking noise coming from underneath the hood, it usually goes away after 10-1 first start is a bottle of chevron techron fuel system cleaner, not the fuel injection cleaner, the first one is much stronger empty tank put a bottle in and fill with shell or chevron premium if you still have rough idle and the plugs are good, you have carbon buildup on the top end due to the direct fuel injection and possibly not great gas. The sound comes courtesy of the aggressive cold-start program the DME uses to light off the catalytic converters as soon as possible--in other words, emissions control. The coolant circuit for the N55 includes the turbo and the electronic water pump will continue to circulate coolant after the engine has been shutdown. Probably N55 Cold Start Wastegate Rattle Fix Post Reply Thread Tools: Search this Thread 06-20-2017, 03:47 PM #1: quicksilver3121. 335i Cold Start - Occasional Stalling & Startup Issue - updated. After that nothing. I noticed it yesterday. 0t Been noticing it on cold starts over the past week as well as some My N55 Powered E92 BMW 335i has been cursed with the infamous Wastegate rattle :/LIKE AND SUBSCRIBE for more videos on my E92 BMW 335i N55! I Promise the vid If anyone could help me out with this rattle noise and what it could be that be fantastic. I modified the exhaust by doing a resonator delete and gutted the muffler. He said that after a little bit of time upon cold start the rattle goes away and it's not like it robs power or anything like that. High Pressure Fuel Pump problems (HPFP) early pumps often failed, even some later ones still had issues despite revisions. Cold Startup Rattle. Same problem for me. Be sure to read our guide on the N54 vs. Im going to try the new set screws mentioned in another thread. You should really only hear it at a cold start or at idle with the windows down. Location: Colorado. Going to pick the car up soon, will post the Repair order. F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: 2012 - 2018. Oct 18, 2016 9,311 4,342 0 AZ Very brief rattle at cold startup. The cold start delete is amazing for startup rattles, but i have a rattle from 10-90% throttle all the time. Hey guys, Looking for some feedback on an occasional startup issue with my '14 335i with 35k miles. Hopefully I the stock screws don't strip when I remove them. i thought this wastegate rattle was taken care of after the N55 and N20 engines. I may have a solution for this. And I now always get P29E0 fuel mixture code and sometimes P0171 lean code. heat shield rattle, the clamps are bad to break. Replaced leaking valve cover gasket on N55 the other day. The latest N54/N55 replacement HPFP is a re-manufactured HPFP under P. I took it in this morning for scheduled free oil change and they said they found an issue with the idle and adjusted it. Occasionally on a cold start if I immediately (within 10 sec) put the car in drive and start to drive away the car will stutter and almost stall out. At Bimmerforums, you will find technical how-to information maintenance specifics audio advice wheel and tire combinations and model specific details not found anywhere else. Robin_NL 9022. And after the cold start if I drive it and shift into second, and let off the gas, it rattles as the rpms are coming down. I haven't had it completely stall, but my Hey, thanks for the response! I have heard the rattling noise coming from under the hood on a cold start as well. If it's really cold it even stalls. This is fixed by installing the Vanos oil pressure accumulator. If the car doesn't vibrate on a immediate SECOND start, then it's most definitely a vacuum leak because the system that provides air on high pressure on the initial start, DEACTIVATES automatically on a second start. It will usually N55 Rattling Noise During Cold Start Post Reply Thread Tools: Search this Thread 05-13-2017, 08:53 AM The N55 Vanos units are noisy and rattle until the car is at operating temperatures. 1507. Appreciate 0 Quote Post Reply **New video**Hearing a rattle noise on n55 335xi w/video. Seems to happen every second or third start. New Member. It literally sounds like a penny makes a soft rattle in a plastic box for a very short time. BMW S55/N55 Engine Knocking/Rattling Sound On Cold Start - Technical Details This post is another attempt ( there are dozens of posts on this topic in various forums, some mentioned in the end ) to summarize all the information on this problem and help others. After around 5 minutes of idle, an annoying rattle appeared on idle and low rpm and stays even when fully warmed up. So we talk about the fix and apparently the fix is for BMW to cut (yes, cut) off the left exhaust pipe and replace it with a new section which will be held together with clamps. dealer replaced the backbox with new one with a new exhaust valve, problem gone. I have that cold rattle sound too (like metallic). Any idea what this could be and the approx cost to repair? Rough cold start 2. Plenty of google searches say those are signs of the HPFP failing. I know this used to be an issue on the N52 engine, but also the N55? The noise goes away after the engine has warmed up for a few minutes. Appreciate 0 Quote 08-12-2015, 02:38 PM #19: bradleyland. 5" Single midpipe, M3/M4 Eibach pro kit springs,dry carbon engine cover/cooling shroud, csl gloss black grill with acc Rattle at cold start from where? Rear muffler or under the car? Could be valve rattle or the It’s 2011 335i N55, it has this weird rattle on cold start. Issue has been ongoing for almost a month. those can really get annoying Or go for a ride in a N54, king of wastegate rattle lol 2011 X5 35i Sport Activity|Plat Gray/Beige/Dk Poplar|Conv Pkg|Cold WX Pkg|Tech Pkg|Prem Sound|Comfort Seats|Hitch| When I turn the car on from a cold start, I hear a rattle. Wastegate rattle n55. (Jan 3rd 2013) Now my car no longer idles rough even when it's a cold start and starts a lot faster. RPMs bounce around 5-600 and car shakes pretty bad. I will be getting a second opinion from another mechanic. There is a thread over on e90post under the N55 sub-thread area recently that has videos of the noise and one member had the MHD Flasher is the first Android and iOS handheld application to bring ECU tuning and monitoring to the BMW N54, N55, S55, B58, S58, S63 and N13 engine. Haven't heard the rattle while driving. Installing new VANOS hardware usually eliminates the rattling noises. Usually when it's cold. A rattling noise can be heard from the engine compartment; the engine loses power; and the Service Engine Soon lamp is illuminated. Car details: 2009 e82 (N54), 55k miles, FBO, JB4 running custom map 6 (map 1 for now until I can figure this out), original injectors, no leaks at turbo, no wastegate rattle. Brigadier General . This. Timing chain rattles - due to stretching and fatigue the I do have the 'normal' rattle at start up, the rattle I'm referring to is louder and more metallic as the gears shift. I wouldn't worry about temps. **New video**Hearing a rattle noise on n55 335xi w/video - Page 2. If you don’t mind me asking, what’s your mileage Lifter tick maybe that's how my n55 used to sound too Reply reply pouringheartout Unusual rattle on my 2007 MK5 GTI, is this just an FSI quirk or is my tensioner going bad? 0:16. BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > N55 Turbo Engine / Drivetrain / Exhaust Modifications > Rattling sound at low RPM Post Reply Thread Tools: Search this Thread 06-17-2020, 04:45 PM Exhaust rattle on cold start is common from the valve on that side. Only fix is new turbos. 875. Weather is slightly cold (10C). Funny, the shop mentioned they couod only hear wastegate rattle, but I assumed they were referring to the annoying metallic rattley sound that lasts for about a minute until the rpm starts dropping down to normal - it didn't occur to me that this real quick drumming right at the beginning may also be Bimmerforums is the preferred online BMW Forum and community for BMW owners. Once the car has ran for 30 to 45 seconds everything smooths out and the misfire doesn't seem to return. Drives: E92 M3. MHD User Guide • Supported Vehicles • Strange issue on my 04 M3 after full engine rebuild with many new parts, engine cranks, starts, rough idles bouncing sounding like it's an old carb'd V8, might smoothen out just a tad, then after about 30 seconds or so eventually dies/stalls. its more clear to hear. I had this problem and it is the exhaust flap, you hear the flap rattle round and round. This shaking sensation will be felt until the car drops slightly in idle as the oil circulates through the engine (30-60 seconds). The last thing to try is get under the car with a rubber mallet and tap around on the exhaust and see if anything rattles. Would show up when car is at 3k rpm and up shifting and revs down to 2k. 3 posts · Joined 2022 Add to quote; Only show this user #1 · Nov 2, 2022. Whatever it may be, I wanna get rid of it his cold-start event. Drives: 2012 135 M-Sport DCT. Listen closely as it only lasts a split second, but it’s been persistent for months. E81 / E82 / E87 I had a rough cold start and once I changed my spark plugs it's been much better since. If someone figures out what it is, please share! _____ Current - 2017 AW F80 ZCP Past - 2011 AW E90 M3 ZCP On these cars, on cold start, it is often the left exhaust's flap that rattles. wheela. I read up on forum and doesn't appear N55 is prone to wastegate rattle, but some have talked of the exhaust flap that opens and closes on the drivers side causing noise. " - GM Media Fuck your dealer this is probably the exhaust valve spring, my ‘16 m235i (N55) had the same issue, first dealer couldn’t find an issue, second dealer sprayed some wd40 onto the flap for diagnosis and the noise got better, they offered to replace the flap but I replaced the exhaust with a dinan cat back and the issue went away BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N55 Turbo Engine Tuning and Exhaust Modifications - 335i Tuning > Engine Knocking Noise After Cold Start - Vacuum Pump? BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i) > Technical / Specific Topics > 135i Turbo Engine (N54 / N55), Exhaust and Drivetrain Modifications: metallic rattle on startup-then goes away (exhaust) I have a n55 335i, and the last month or so, the car has developed an issue with cold starts. Problem started with CEL and rough idle only on cold start. Also no other obvious effects like limp mode, rough idling or lack of power. I have a 2008 320i with N46 engine. I'm not sure if it's coming from the exhaust near the rear of the car or somewhere else. Save Share Reply Quote Like. Join Date: Oct 2019. I was able to safely come back home. the N55 with the golf tee mod drones more, I did it in my N55 X5 and then undid it as it was annoying. **New video**Hearing a rattle noise on n55 335xi w/video. G42Model Year: 2021 + F44Model Year: 2020 + Previous Generations; F22 Hi all, when I start my BMW 420i (B48 engine) in cold weather, I hear a grinding noise which occurs every 5-10 seconds until the engine is warm. On today's episode of "what's that rattle?" Stock N55, 55k miles. put my phone there to record a good quality audio. E81 / E82 / E87 / E88Model Year: 2004 - 2011. timing Chain - most deadly of the rattles 2. Log attached for cold start stall, looks like rail pressure drops . No avail. Car just rattles for a 2 seconds and everything is good after, doesn't jitter on the road, drives very nicely rest of the time and happens randomly (for example went grocery shopping for 15 535i f10 wastegate rattle n55 "Video inside" Bimmerpost ☰ Model Selection. Hi there, every time I cold start my 2010 135i, I can hear a weird rattle noise, which disappears after a few seconds. In fact, the N55 engine was slightly dialed back in an attempt to tame some of the common engine problems of the N54. Very clearly, the idle drops out, something rattles for a sec, the engine 'chokes' and surges back (with a squeal of sorts), and it repeats about a dozen times before running like normal for a couple minutes then starts all over again. my dealer said they have changed two others. Hi Nick. It will usually stay below 2k rpm while doing this, and eventually settles down at the normal ~750? RPM. Happens only when the car has been sitting overnight. Pretty straightforward job, didn't replace the valve cover. nothingman 532. 3. Cold start it will cycle through to reduced power without issue, hot starts will bog the engine unless you give it some throttle and then go into reduced power. I have replaced the coils and spark plugs, cleaned MAF sensor and cleaned VANOS intake (top) solenoid. Once it gets warm it doesn't happen again. 2 - More likely - Something stuck under the car like you guessed 3 - Most likely - Foreign debris has gotten under or behind the cowl leading to the blower. It is most pronounced when the engine RPM drops to 800 Currently I have: MPE exhaust, catless DP, charge pipe, intake, and BM3. Brought my 335i in the summer period and test drove it OK without any issues but come winter was hearing the waste gate rattle on cold start. Our professionals are here to help make sure you find the answers you need to your questions and Customer: Hello George, i have a 2011 bmw 335i xdrive m sport with the N55 motor. Super My N55 always sounded like a tractor starting up. It would vary as to what cylinder was misfiring, but would normally happen on #5. Anyone know what size the set screws are? Do you need to drop the muffler to remove N55 engine (’09-‘Present) N62 engine (’04-’10) N73/74 engine (’05-’15) Dual VANOS with Valvetronic Engine Fault Codes. I'm not interested in risking anyone pulling my entire motor apart to fix a sound. its just cold start issue pcm tries to keep within 1100 rpm and something prevents doing so. FYI, my 335i with the n55 rattles loudly on cold starts for about 10-15 seconds. Tags cold start cylinder misfire r56 cooper. 1 - Unlikely - Wastgate rattle. Sorry for OT: TrackRAt: "The N55 engine uses the same 943 HPFP as the N54 engines. I just got a call from BMW of Beverly Hills. It also has started making a "metallic rattling" or "metallic vibrating I have been in numerous S55 cars with this specific faint rattle If it was rattling during cold starts, idle, decel, wide range of rpm's, id be a little more open to dive deeper. Used to me occasionally but lately occurs with every cold start up. E81 / E82 / E87 My 2013 f30 335i (pneumatic waste-gate) has started to make this "ticking" or "rattling" noise upon startup. Join Date: Jun 2016. Then at 34-35 seconds, the valve opens and exhaust comes out of both tips evenly, significantly reducing noise. Also, I’ve been noticing a rattle/knock from the driver side during an idle. TIM YOYO. At cold start up my car has a rattling noise for about 2-4 seconds. it does it for a fraction of a second now. M2 Technical Topics > N55 Engine / Drivetrain / Exhaust / Bolt-ons / Tuning > MPE exhaust rattle FIX! Post Reply. Assuming the N55 VVT motor is powered the same way, it's probably worth a quick look (which I assume it is, since it's way more current than you want running through the DME). _____ Become like water my friend. Tweet. You were hunting around for answers and I’m aware of an issue Worldwide the N55 is spec'd for a wide range of BMW approvals (LL01, LL01FE, LL04, LL12FE) but for now BMWNA has only signed off on LL01 and LL01FE for the factory oci. F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: So far, in 8 cold starts, I've had the *cold start sequence to 1200 rpm* *after 30 seconds, dip down to 900 rpm (normal)*, then dip down to 500rpm for one second then catch itself, *then Do you simply unplug one at a time with the engine OFF and start and observe? Clear codes and repeat on the other 5? Look forward to any response. Had it scanned with no fault codes. 2014 f30 N55 cold start problem. Warm or cold. I'm thinking injectors because it only happens when sitting overnight F30 N55 rattle on cold start. 2004 wrangler unlimited revving way more than usual when starting. Rattle, Smoke at Cold Start. VANOS is an amazing feature that gives your BMW engine better performance and efficiency, so it only makes sense to keep it in great shape for A month into driving it i started to experience weird rattle on startup, it only happens once every few days and not in cold startups. Location I get a rattle on cold start with the corsa rear, have never bothered to get underneath to try to pinpoint where exactly it's coming from. Drives: 2013 M3. Appreciate 0 Quote 11-25-2013, 03:55 PM #7: n55x3. BMW X5 2012 E70 N55 Engine High pitch sound and hard start after heavy accelerating Hello, Today after heavy accelerating "engine malfunction error" came up. Joseph Upson had the same rattle and claims that 10w40 solved it for him. When turning the car on from a cold start I don't notice anything suspicious, warm starts are crisp. NOT BELOW 750! Engine Ticking/Knocking on Start-Up. Not clear if its RPM dependent since you didnt rev the car at all. Appreciate 0 Quote 07-17-2020, 12:57 AM #4: davidr3. Help With Intake Vanoss Issue 2012 N55. The codes still show up when I scan. i just unlocked my car, open the hood, did not start the engine but turn the ignition on to 1. Appreciate 6 JustChris 17702. turned it off. Drives: n55 BMWs. My car misfires only on cold starts for about a a few seconds to a minute. Quote 06-15-2020, 01:20 PM #5: DRLane. It’s not cold anymore so idk why it has goes to like 2500 or so rpm for a good thirty or so seconds before lowering back The advisor told me more frequent oil changes can keep the problem from progressing. When I took it to a local mechanic he said it's the high pressure fuel pump that's gone bad. Location: Vero Beach, FL So I noticed the last couple days with the windows rolled down and driving by parked cars or through tunnels a rattle from the exhaust. Reply reply That’s a good start! Now I know what it shouldn’t sound like. 1. A Pure Stage 2 will solve that problem though lol Think it might be my wastegate since on cold starts it likes to rattle on decal (not the valve cause I unplugged and have a full vrsf exhaust). Location: Riverside It makes that vibrating noise for a brief few seconds at cold start. Many have complained about the car's idle fluctuating/surging during start up. Eventuri || F10 LCI 535i MHD. see below audio file. The MHD Flasher reveals the immense margin of power BMW left on the table with the N54, N55, S55, B58, S58, S63 and N13 motor, while still retaining the sophistication of the original engine management program. The wastegate rattles upon cold start. Just wondering - Do you have a wastegate rattle at all? Mine is pretty bad, I could see this annoying you, but it's more of a rattle sound then a vibrating shutter, if that makes sense. Funny thing, I was just looking to replace It does seem that I get these codes most often on cold starts after the car has been sitting overnight. Many thanks in advance! Edit: I would like to clarify that the noise I’m hearing isn’t the normal injector noise or wastegate rattle sounds. My car has 88k miles and I changed at about 80k and bought my car with 45k and believe they 2014 f30 N55 cold start problem - Page 2. i dont think its vanos seals because car runs fine. No relevant codes thrown except for occasional misfires and VANOS exhaust, not consistent; I think these are caused from the The first kind is loud rattle only heard at startup and stops within a minute. Join Date: Oct 2018. Location: us - ohio. It turned out that when I rebuilt the turbos a couple years prior, I didn't adequately tighten the vband bolt connecting the turbos to the downpipe N55 PWG Rattle?? 2011 335xi e90 n55 PWG 150,000km catless dp, charge pipe, intake, MHD stage 1 So I never noticed anything till about 2 days ago. Quote 11-10-2019, 02:10 PM Did you bring this cold front with you? _____ '01 M Roadster, '24 BSM M2. I agree it's more common for the lpfp sensor to go out. Want several thousand to replace and can't guarantee it will fix noise. Appreciate 1 GORDON. 2011 prius well maintained. It doesn't do that anymore, at least not the same. I just cranked it over with the throttle floored to build oil pressure before starting and the rattle noise was virtually non existent. Wastegate? Any help would I have a n55 335i, and the last month or so, the car has developed an issue with cold starts. if I let it return to idle, it comes right back. Listen to some N55 cold starts and other bmw turbo engines. Like a drop. The techs at our local dealer said it's not an issue and common. It’s part of the cold start process. The question is - where is it in the trunk? I do not want to unplug something else - I saw videos on tube but they only were for e90. Are you sure its a rattle and not just the sound from the WG opening fully on cold start? It becomes extremely loud and the tone changes once you delete the resonator and mod the muffler since all the high frequency comes through. I’ve been noticing increasing difficult cold starts (especially during colder weather lately here in SoCal). Hell, it sounds like my N55 snd N52. iTrader Problem Solved : Injectors cleaned , changed one faulty injector as well thats for roughness and shutter rpm on cold start Car also used to make rattle in a can sound when driving it , so changed fuel filter thats located in the I've been having this issue where my 2011 bmw 335 e90 (n55) idles kinda roughs during cold start. Common problems and issues on the N55 Engine. N55 low rpm rattle. Is this the only solution? Is this bad for the car on the long run? M 07 335i exhaust rattles upon start up. Hello, I have an f15 n55 2017 model. worst when cold. When it was cold it started fine without the rattling, but on a hot start after sitting for about a half hour to a couple of Customer: It's a 2013 X5 N55 that's got low oil pressure codes Mechanic's Assistant: How old is your oil pump? Has the check engine light come on? Customer: Yeah the car is in limp mode, its got about 100,000 mi. F40Model Year: 2019 + Previous Generations I have the EXACT same noise, in the EXACT same place and it also appears on cold starts - especially cold days and disappears completely once driven just down the road and warmed up just ever so N55 dipping/snoring idle at start. Mine rattles like crazy on cold start, and then the flywheel rattles like crazy when warmed up, but I have the N55. Jump to Latest 8K views 5 replies 2 participants last post by mike1967 Nov 3, 2022. Location: Bethpage ny On cold start, my car (n55 engine) makes this concerning rattling from the mid section under the car. The only other thing to note is that on a typical cold start, there would be this raspy rattle for literally a second. Has anyone else even heard or experienced the rattle upon cold start. New Elder ignition coils, new Bosch plugs and a new Valve Cover. The rattle lasts about 5 to 10 minutes and goes away after the car has warmed up. Ever since then there has been a rattling noise every time I cold start it (or at least I think it happened after the modification), it comes from the front right of the engine area. Would sound very metallic and possibly louder when the engine is cold. N. iTrader: N55 Cold Start Wastegate Rattle Fix. When I start the car after a day or after an overnight it starts and then drops off (like engine is not getting fuel may be), and I have a 2011 bmw 328i that has a rough idle on cold starts only. F40Model Year: 2019 + Previous Generations Its the way bmw has its wastegate position during cold start. I have a 2013 335i xdrive with around 75k miles. Initially just happened on cold start then it would stop. I also started noticing a small engine vibration on part throttle at 2k rpm. It may even be the same parts listed in the TSB (coincidentally), and if they are found to be faulty, they should be replaced under warranty N55 rattling/ buzzing Bimmerpost for winter, started the engine yesterday, everything is fine on start up. Currently, I have done the following maintenance items in the last 6,000 miles. No long term issues unless the rattle continues past the few seconds of start up. Feels like misfires when under mild acceleration. Headgasket was not done not losing any coolant. Full throttle higher RPMs Ok. Yes, the N55 wakes up angry. One correction howeverthe valve is closed on cold-start as there is little exhaust gas coming out of the left exhaust tip and the exhaust is forced out of one side. I've been hearing a rattle on cold start for the past 2 years that was never there prior. It only lasted a few seconds and then The N55 has a knock sensor, so assuming it's functioning, the engine should pull timing if you are getting knock. Loud metallic exhaust rattle at cold start. N55 if you aren’t sure what the differences are Turbocharger Failure & Wastegate Rattle. its fluctuates between 1100-750. Explains the procedure and steps to find the root cause of the pro The TSB is specifically for rattle noise on cold start, if there is no rattle noise on cold start, the TSB does not apply, and the dealership should diagnose the problem to see what is actually causing it. I hear it a bit now again after i added JB4, but very very minimal compared to The N55 have direct injection and it doesnt sound like carp when its cold. Jump to Latest So after getting the car running again after the cold start issue with a new pressure regulator O'Ring kit I was about to take it out the other morning and when i initially started it up i heard a rattling sound which sounded like it was coming from the engine bay. 50. Will try some time later on the cold start and will troubleshoot it further. For all cylinders and random misfire. If someone figures out what it is, please share! _____ Current - 2017 AW F80 ZCP Past - 2011 AW E90 M3 ZCP With the N51, N52K, N52T and N55 engine. You can access these through the front wheel well. 1351-7-613-933. and came back to engine. I took it to dealer and they replaced my turbo under warranty at 50,000KM. Mine rattles a bit on deceleration when the engine is cold - usually don't hear So I am new to the N55 and have only had my car (2011 535i M-Sport) for about a month an a half. I tried to swap the exhaust and intake solenoids but had no luck. I'm working on a 2013 E70 35i (N55) and immediately after start it will cycle through into reduced power mode and operate with 0 boost psi. Recheck your install. Only throws misfire codes. 2013 X5 35i 70,000. Just randomly seems. Drives: 2011 Bmw 335i xdrive coupe. The other point of rattles can be N55 rough idle/misfire at warm startup. Appreciate 0 Quote 07-25-2012, 10:44 AM "This results in a smoother operation and an approximate 25-percent reduction in cold-start hydrocarbon emissions during the cold-start and warm-up. Rep. including intermittent issues like the notorious door lock stick, cold start exhaust valve rattle, etc. There has been a couple of cases over here in the UK where wastegate rattle was declared as the problem and the turbo was replaced under warranty. _____ Current: E63S AMG 4matic RENNtech || M5 Evolve. The cause is not the tailpipe valve, although that may also open around the same time the engine note quiets down. This vehicle had a rough running on a cold start that felt like a distinct skip (misfire). _____ 2023 m3 xdrive For sale: 3. 3,520. This is a new sound I’m hearing since recently The N55 is an asthmatic turbo that just runs out of air up top. As I understand, it is the lifters re-pressurizing, and it's a normal noise to hear upon startup. Page 1 of 4 NO MORE COLD START RATTLE. I think the N55 VVT motor does actually Cold morning rough idles are most likely to be associated with vacuum leaks in the system. Private . Had a mechanic look at it and no problems were found (new belt, new water pump, new fuel pump). Hey guys, I have a 2009 clubman S with 125k miles. hope this helps Wastegate rattle at cold temps at first start up is normal too. It's loud in the garage before backing out. Today the engine light came on. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright I have a similar issue - driver side exhaust rattles like a can with some coins in it when car is cold (2012 F30 335i) - so I am going to try unplugging the module in the trunk of the car. It's typical valvetrain tapping / knocking noise, not direct injection noise (I know the difference). (Before the oil change, sometimes it could take a 2-3 seconds to start, now it starts in less than a second) Mine is nearing 200k and rattles like crazy when I start it but once it warms up it stops. 00. Dealership says its catalytic converter but just so happens I am a month past 8/80 warranty. #10 12-10-2019, 10:45 AM 2011 E70 • N55 (me) 2012 E70 • N63 (wife) Page 1 of 2: 1: 2 > Bookmarks: Digg; N55 Misfires Cold Start. iTrader: I have the exact same thing. Looking for some help in diagnosing a misfire during cold startup in the morning. Someone once told me a BMW engine should sound like a sewing machine, and I haven't ever come across a better description. 4132. Bimmerpost ☰ Model Selection. Brought it in to the dealer and they said they couldnt hear anything. Once car is warmed up I have a perfect idle at 600 rpm. E81 / E82 / E87 / E88Model My 2015 328i kinda jitter and rattle on cold start this morning (been parked for more than 24 hrs). Location: NJ. Sometimes it starts up totally fine. I noticed the cold startup chatter in 2017 and 175k miles, at about 3000 miles in on the 5W30 oil change, with onset at about the 2 Since i use 15w40 oil,i have no more rattle at cold start at all. I could replicate the noise even while parked keeping I had the same issue. 2011 BMW 335i Xdrive e90 N55 Turbo. fhh krpsl ugjmbs gutsv decpy rkf jtoufp ygjiu zeha ablhll