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BMW 3-Series (E90 E92) Forum
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'11 - 335i half check engine light and no power/boost
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| 10-04-2015, 12:06 PM | #1 |
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'11 - 335i half check engine light and no power/boost
Car: 2011 335i xDrive sedan, with JB4, BMS intake, and charge pipe... ~65k miles
Issue: About a week ago I got a check engine light come up and the car appeared to have reduced power. The JB4 showed barely 5-6lbs boost and over the past week reduced to barely 2-3lbs. I tried checking the codes on the JB4 and came up as 2C57 (Charge-Air Pressure Control,, Lower Value: Boost Pressure too low. The diagnostic function monitors the pressure measured by the boost-pressure sensor) However, when I checked the code with a code reader it wouldnt come up... Ever since then the car feels like it has no power/boost at all... I cant find any boost leaks and dont hear any air rushing/leaking out anywhere... I removed the jbc, intake, and charge pipe.... returned to all stock and still doing the same thing. Any known issues or things to look into? I have an appointment at the dealership since I'd still like to figure it out. Thanks in advance.... Chris |
| 10-04-2015, 12:29 PM | #2 |
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Good god, I have a 2011 335i that did the same thing yesterday, same code...
After I tightened all the clamps on CP and intake, the code is gone for now. Hope it stays that way... |
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| 10-04-2015, 12:35 PM | #3 | |
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Quote:
 Mine still did the same thing after putting all stock crap back on....  |
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| 10-05-2015, 12:15 AM | #4 |
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Drives: 2011 335xi
Join Date: Apr 2015
Location: Seattle WA
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Have you had the vanos recall on yours? I had this on mine done however yesterday had some errors pop up also I'll have to check my logs and maybe post them if it recorded it.
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| 10-05-2015, 06:52 AM | #5 | |
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Let me know if you find anything out |
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| 10-05-2015, 08:15 AM | #6 |
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Drives: BMW 335xi 2011
Join Date: Jun 2014
Location: Montreal, QC
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Check the MAF sensor. It might be the cause of all this.
__________________
BMW 335 xdrive 2011 BSM
BMS Intake, ER CP, ER competition FMIC, N54tuning DP, COBB V2 stage 2+ aggressive, side marker delete, LUX V5, BMW PE, KW V1, Volk Racing CE28N Candy Red (SOLD), Advan Racing RS |
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