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      05-08-2013, 07:52 AM   #48
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Drives: 2009 e92 M3 Interlagos Blue
Join Date: Sep 2008
Location: Canton, GA.

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Originally Posted by a0s4957 View Post
So here is the update, after fixing said leak i drove around for about a day. During that time frame the SES light went off, and the next day it came back on. The only two things that changed was the fact that i put gas in the car, and that the weather got significantly cooler and dryer. Hence, i am now leaning towards me needing to replace the oxygen sensors (upstream). Thoughts?
Did you pull the codes? What were they? Check for vacuum leaks around the intake. Check the plugs, one by one. Try the small and cheap stuff first. I still say that you might have a coil that is going bad. See if the same cylinder is at fault. Let me know.
'09 E92 ///M3 Interlagos Blue,6MT,Silver Novillo Leather,CF Trim,Premium Package,Technology Package,Cold Weather Package,Premium Sound,19"Wheels,Moonroof-Toy/'14 335i,Sport Line,Premium Package,Technology Package,19" wheels,Heated Seats-Daily Driver/[b]'04 Yamaha R1-Toy/'06 Yamaha Raptor 350-Toy/'14 i3 MigaWorld 19"wheels-Daily