BMW M3 Forum (E90 E92) - View Single Post - O2 Extenders for Catless/HFC X-Pipes

jimmy ny · 02-13-2011, 07:42 AM

Just get Dinan stage 2 software. Make some power, no CEL issues AND still pass inspection. I also run elbows on my secondary O2 on my AA HFC X-pipe.

02-13-2011, 07:42 AM	#18
jimmy ny Second Lieutenant 17 Rep 246 Posts Drives: 2011 bmw m3 Join Date: Jun 2010 Location: new york iTrader: (0)	Just get Dinan stage 2 software. Make some power, no CEL issues AND still pass inspection. I also run elbows on my secondary O2 on my AA HFC X-pipe.
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