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      07-30-2010, 09:23 AM   #11
DoNDoN
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Drives: 2008 E92 M3 AW
Join Date: Jun 2008
Location: NoVA

Posts: 2,038
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Quote:
Originally Posted by bills742 View Post
State: Maryland

Mods: AA exhaust, Fabspeed x-pipe with high-flow cats, PC tune (w/CEL delete), aFe filter

Inspection result: *Fail

*Diagnostic trouble codes:
P0420 catalyst system efficiency below threshold bank 1
P0430 catalyst system efficiency below threshold bank 2

Did you ever get this fixed? If so what did you do?
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