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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > fault codes help!



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      11-29-2012, 10:59 PM   #1
eyim1988
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fault codes help!

I know i am a n55 but i thought i would get a quicker response here.

On startup the idle is not stable. It is normal and then randomly after 4 seconds or so it sometimes revs up to 2-3k by itself. All throughout this time I have the half check engine light on (limp mode).
These are the codes it is throwing on startup.
11852
11605
11352
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      11-30-2012, 10:32 AM   #2
zanelefko
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Google the codes and post back
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      11-30-2012, 01:05 PM   #3
335rocks
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Quote:
Originally Posted by eyim1988 View Post
I know i am a n55 but i thought i would get a quicker response here.

On startup the idle is not stable. It is normal and then randomly after 4 seconds or so it sometimes revs up to 2-3k by itself. All throughout this time I have the half check engine light on (limp mode).
These are the codes it is throwing on startup.
11852
11605
11352
It helps converting them to hex, but anyway:

2E4C = 11852 = Exhaust gas flap, activation: Line disconnection
2D55 = 11605 = Variable camshaft timing control (VANOS), intake, cold start: not controllable
2C58 = 11352 = Boost pressure control, deactivation: Boost pressure build-up blocked

For more N55 codes, have a look at the attachment here:
http://www.1addicts.com/forums/showp...24&postcount=1
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