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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 > Help identifying codes



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      05-18-2013, 12:00 PM   #1
Envuks
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Help identifying codes

I have two codes which I am curious if anyone can share insight on what exactly they are.

2A87: exhaust vanos variable cam control test, mechanics

3100: Air charge control, shut-down

They threw the yellow engine block dash light while driving this morning. Then when I restarted the car the dash light was gone. I was able to retrieve the stored codes.

Any insight on what these mean would be much appreciated. Car seems to be running just fine. Changed sparkplugs on Thursday, but that's the only thing that's changed on the car recently.

Thanks in advance.
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      05-18-2013, 05:44 PM   #2
Envuks
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Nothing?... I'm more interested in the vanos code. Is this just the vanos cleaning (which I've read about), or do they need replacement.

Any insight would be very much appreciated.

Thanks!
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Jet black e92 6mt 335xi:

18" BBS RGRs, KW v1, ESS Stage 2 flash, VRSF 7" FMIC, VRSF downpipes, JG Mods m-tech front, mtec V3 AEs, BMS OCC, hardwired valentine 1, p3cars gauge, amber delete, sport seats, factory oil cooler.
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      05-18-2013, 06:19 PM   #3
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Yep the usual remove both vanos, clean them with brake cleaner and interchange them......
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      05-19-2013, 12:34 AM   #4
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Quote:
Originally Posted by enrita View Post
Yep the usual remove both vanos, clean them with brake cleaner and interchange them......
Thank you. I did a bit more research on this and it looks pretty straightforward.
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Jet black e92 6mt 335xi:

18" BBS RGRs, KW v1, ESS Stage 2 flash, VRSF 7" FMIC, VRSF downpipes, JG Mods m-tech front, mtec V3 AEs, BMS OCC, hardwired valentine 1, p3cars gauge, amber delete, sport seats, factory oil cooler.
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