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BMW 3-Series (E90 E92) Forum
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N55 Reliability (rod bearing problems?)
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03-27-2018, 02:01 PM | #89 | ||
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Drives: 2012 E92 335i M-Sport
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12’ E92 335i 6AT - Alpine White M-Sports Package
Mods - | MHD Stage2+ ACN91 OTS Map | K&N Drop-in | VRSF Kittenless D0wnpipe | VRSF CP | VRSF 7” FMIC | xHP Stage 3 | Euro Headlight Switch | Avant Garde M359 | Michelin PS4S |
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03-27-2018, 03:38 PM | #90 |
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Not at all. I only had one instance of misfires while running my custom tune while burying the go pedal in 2nd gear at around 3k rpm. Car started misfiring on 3 cylinders, limped it to the shoulder, restarted it and everything was fine. Had the custom tune on my car for 2 months/3-4k miles.
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2011 335i N55/6MT/M-Sport
MHD Stage 2+, VRSF Downpipe, VRSF 7" FMIC, BMS Intake, BMS Chargepipe, Performance Exhaust Mod, F10 550i Clutch, BMS CDV, BMW Performance SSK, M3 Control Arms, ST Coilovers, Apex ARC-8 wheels, Michelin PS4S |
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03-27-2018, 03:40 PM | #91 | |
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Drives: 2012 E92 335i M-Sport
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12’ E92 335i 6AT - Alpine White M-Sports Package
Mods - | MHD Stage2+ ACN91 OTS Map | K&N Drop-in | VRSF Kittenless D0wnpipe | VRSF CP | VRSF 7” FMIC | xHP Stage 3 | Euro Headlight Switch | Avant Garde M359 | Michelin PS4S |
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03-27-2018, 04:18 PM | #92 | |
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2011 335i N55/6MT/M-Sport
MHD Stage 2+, VRSF Downpipe, VRSF 7" FMIC, BMS Intake, BMS Chargepipe, Performance Exhaust Mod, F10 550i Clutch, BMS CDV, BMW Performance SSK, M3 Control Arms, ST Coilovers, Apex ARC-8 wheels, Michelin PS4S |
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03-27-2018, 06:00 PM | #93 | |
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03-28-2018, 01:52 PM | #94 |
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Mine dead on HDPE event at 128000 km same sound from the rod
I have a new one install from BMW with extended warranty. The new one have 40 000 and running perfect. Everything is new and i run redline Oil on it and everything is perfect. I'm JB4 with BEF with MHD and the car is pushing great with the Pure Stage 1 I need to do some log to optimize it with Terry. |
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03-28-2018, 02:22 PM | #95 | |
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2011 335i N55/6MT/M-Sport
MHD Stage 2+, VRSF Downpipe, VRSF 7" FMIC, BMS Intake, BMS Chargepipe, Performance Exhaust Mod, F10 550i Clutch, BMS CDV, BMW Performance SSK, M3 Control Arms, ST Coilovers, Apex ARC-8 wheels, Michelin PS4S |
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03-28-2018, 03:08 PM | #96 |
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03-29-2018, 09:08 PM | #97 |
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I now have 500 miles on my second engine in my 2011 335. Car was stock and taken very well care of but engine still spun a bearing. Hope they fixed the issue with the second engine. Not going to buy BMW again
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03-30-2018, 12:45 AM | #98 |
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Mind if I ask what mileage you got the car at, and what mileage is was at when it started knocking? Also was it modded before you got it? Hope the new engine is treating you well!
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03-30-2018, 07:33 PM | #99 |
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Hi I got it at 77k and it spun the bearing at 83k no mods ever and no mods yet Im afraid to do anyting to it Im afraid of the car since I found out it would be upwards of 10k just for a used engine installed. The dealer blessed me and installed a new n55 out of warranty because they said BMW is aware of the n55 rod bearing issues it was covered. Just hope they fixed whatever the issue was witht the new engines. The dealer also showed me the service history the oil was changed at the dealer every 10k miles...
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03-30-2018, 11:04 PM | #100 | |
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2011 335i N55/6MT/M-Sport
MHD Stage 2+, VRSF Downpipe, VRSF 7" FMIC, BMS Intake, BMS Chargepipe, Performance Exhaust Mod, F10 550i Clutch, BMS CDV, BMW Performance SSK, M3 Control Arms, ST Coilovers, Apex ARC-8 wheels, Michelin PS4S |
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03-31-2018, 06:00 PM | #101 | |
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04-02-2018, 09:49 AM | #102 |
Clean is the new cool, keep it that way.
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I call BS on them just doing it for free. Plus if true, I would think getting $15,000.00 gift would earn some brand loyalty, As for the cause, well 10,000 mile oil changes.
Last edited by 9krpmrx8; 04-02-2018 at 10:35 AM.. |
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04-02-2018, 11:10 AM | #103 |
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I agree. Customer cost of a new N55 install is closer to $22,000 and BMW has NOT claimed ANY known issues with the N55 bearings. Even if they did think there was something going on, I highly doubt they would open up about it and tell customers. There are a lot of N55 cars new and CPO still for sale from BMW so if word got out that they knew something was up that would be risky for sales.
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2011 335i N55/6MT/M-Sport
MHD Stage 2+, VRSF Downpipe, VRSF 7" FMIC, BMS Intake, BMS Chargepipe, Performance Exhaust Mod, F10 550i Clutch, BMS CDV, BMW Performance SSK, M3 Control Arms, ST Coilovers, Apex ARC-8 wheels, Michelin PS4S |
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04-02-2018, 02:07 PM | #104 |
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Yeah I was being generous at 15k and yes I agree. BMW has never acknowledged any issues and all claims of such an issue have only been anecdotal.
We had a local dealer tech who claimed that it happened often and so I asked a buddy who was a tech at a far larger dealer in Austin and he had only seen one failure on a low mileage X5 that was well maintained and in his opinion it was just a fluke. |
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04-02-2018, 05:57 PM | #105 | |
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04-02-2018, 06:00 PM | #106 |
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We would hear all over the internet.. the N55 is used on almost all BMW platforms.. people STOP saying its an issue with this engine..
Either 1 : Bad tune 2: Bad maintenance 3 : Manufacturing Defect (Rare) But to say its a "design" issue.. nonsense. To add: if anything the stock tune is too aggressive for 91. So bad gas can cause this issue. |
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04-02-2018, 06:06 PM | #107 | |
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Also, if the stock tune is too aggressive for what is considered "top tier" fuel in many areas, then I would say that is absolutely a design issue.
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2011 335i N55/6MT/M-Sport
MHD Stage 2+, VRSF Downpipe, VRSF 7" FMIC, BMS Intake, BMS Chargepipe, Performance Exhaust Mod, F10 550i Clutch, BMS CDV, BMW Performance SSK, M3 Control Arms, ST Coilovers, Apex ARC-8 wheels, Michelin PS4S |
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04-02-2018, 07:54 PM | #108 |
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Soo... My car has 62 thousand kilometers now.
I have had it since new, since it rolled out of the dealer. By now I have replaced: - Entire suspension - around 10 times all rotors - dct oil pan along with dct oil - diff sealings - radiator - coolant reservoir - sealing on all coolant related stuff - water pump Now looking at: - diff mounts - something about the pulley I do not consider this to be that well made car. |
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04-02-2018, 08:08 PM | #109 | |
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Drives: 2012 E92 335i M-Sport
Join Date: May 2017
Location: San Diego, CA
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Quote:
__________________
12’ E92 335i 6AT - Alpine White M-Sports Package
Mods - | MHD Stage2+ ACN91 OTS Map | K&N Drop-in | VRSF Kittenless D0wnpipe | VRSF CP | VRSF 7” FMIC | xHP Stage 3 | Euro Headlight Switch | Avant Garde M359 | Michelin PS4S |
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04-02-2018, 08:30 PM | #110 | |
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Entire suspension? You must have rough roads over there, in that case your car is putting up with a beating! What exactly does "entire suspension" entail here? Was it all worn or just for an upgrade? I can't imagine bushings are stuffed that soon, I'm at 160000km and haven't even been able to wear out my stock control arms despite my car being on coilovers and frequently driven hard. While it's possible my control arms were replaced by a past owner I don't think so, they are TRW branded but are NOT the M3 ones. |
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n55, rod bearing |
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