BMW 3-Series (E90 E92) Forum - View Single Post

DUI Elite · 05-21-2012, 12:21 PM

Sorry, last question - should I do this before my mufflers (like planned) or before my secondary catalytic converter? I don't want to throw codes for "service engine soon" because I failed the car's emmission test.

05-21-2012, 12:21 PM	#2
DUI Elite ///M at Heart 90 Rep 1,954 Posts Drives: 06 SGM E90, 15 BSM E84 Join Date: Jan 2011 Location: Chicago, IL iTrader: (4)	Sorry, last question - should I do this before my mufflers (like planned) or before my secondary catalytic converter? I don't want to throw codes for "service engine soon" because I failed the car's emmission test.
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