View Single Post
      12-03-2012, 09:34 PM   #3
Mike Benvo
BimmerPost Supporting Vendor
Mike Benvo's Avatar

Drives: Harrop M3 / F10 M5 / F82 M4
Join Date: Apr 2008
Location: SoCal

iTrader: (9)

Garage List
1990 BMW 735i Turbo  [0.00]
2008 BMW M3  [3.50]
2015 BMW M3  [0.00]
2015 BMW M5  [0.00]
Send a message via Skype™ to Mike Benvo
Originally Posted by signes View Post
A leak would generate a CEL, but you should get it fixed regardless. Where is it? You have both the primary and secondary stock cats still on? You could also have a faulty O2 sensor among about 1000 other reasons.
A leak in the exhaust system may not trigger any CEL - depends where it is.

You probably have an o2 sensor that has a problem, if you're confident there isn't a leak somewhere.

-----| Like us on Facebook | Instagram || Tuning Information | Remote Coding |-----
----Visit us at - Emotion. Driven. | Toll Free: (888) 557-5133----