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      01-14-2013, 11:58 AM   #9
Mike Benvo
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Drives: Harrop SC M3 / E46 M3 / 7Turbo
Join Date: Apr 2008
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2008 BMW M3  [5.00]
1990 BMW 735i Turbo  [5.00]
2004 BMW M3  [0.00]
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Quote:
Originally Posted by pbonsalb
Quote:
Originally Posted by 96LTWM3 View Post

Im also dealing with a bad o2 giving me a CEL but i doubt it would have an effect on performance. Would it?
If it is a post cat 02 then it will have no effect on performance. If it is a pre cat 02, it likely would have an effect on performance. Pull the code(s) to find out which 02 and what the CEL is for.
Exactly. Unless its something like a heater circuit.
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