2008 335i

Mrbig · 09-01-2011, 11:30 AM

no issues before downpipe install now have rough idle check o2 sensors there ok what could be issue ? have jb4 tune ?

Tuner1984 · 09-01-2011, 11:35 AM

Quote:

Originally Posted by Mrbig

no issues before downpipe install now have rough idle check o2 sensors there ok what could be issue ? have jb4 tune ?

Are the dps possibly rubbing against something?

09-01-2011, 11:30 AM	#1
Mrbig Major 106 Rep 1,439 Posts Drives: 15 M3 Join Date: May 2007 Location: N.Y.C iTrader: (1)	2008 335i no issues before downpipe install now have rough idle check o2 sensors there ok what could be issue ? have jb4 tune ?
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