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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 > Need help with codes related to one issue.

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      05-09-2021, 11:46 AM   #1
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Drives: 2008 & 2011 BMW 335i
Join Date: Jan 2021
Location: Seattle

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Need help with codes related to one issue.

I just got done replacing my turbos, plugs and coils on the 335i I recently bought from auction. The car had 24 codes when I bought the car and 14 were engine based codes and when I was done there were no engine codes, cut to today I was driving down the road and my check engine light came on so I plugged Carly in while heading home and I got the following codes:

002B28-Tank venting - and purge air micro leak
003100-boost pressure control, shutdown
002ABC-boost pressure sensor, electric
0029F5-catalyst conversion 2
0029F4-catalyst conversion

I know these are all related, I had just scanned the car 2 days ago and had no engine codes thrown. I am desperate for some help on this issue as I have been fighting problems with this car from day 1 and canít afford to randomly throw more money at the car or my wife will leave my ass.

Please help.
Appreciate 0
      05-09-2021, 03:07 PM   #2

Drives: 135i
Join Date: May 2012
Location: Florida

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2abc and 3100 = faulty tmap sensor
29f4 and 29f5 = aftermarket downpipes or stock ones aren't efficient anymore
Wife threatening to leave = get a mistress to set her straight
Appreciate 2


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