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      01-26-2013, 12:33 PM   #6
Brigadier General
Drives: 2008 335Cic, 2011 X5 35i
Join Date: Jul 2007
Location: Boston

Posts: 3,872
iTrader: (14)

If you have catted downpipes, why do you need O2 sims - I have AR catted with all the O2 sensors installed and it passes OBDII smog check no prob.

Do you really mean you have catless downpipes?

2008 E93 335i, GIAC Stage 2, HPF IC, Injen Intake, Defective AR Design DP's with useless cats
2014 X3 35i JB Stage 1
roadkillrob is offline   United_States
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