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

Otacon132 · 02-12-2011, 12:57 AM

On my old car I used 2 on each, and it worked to clear ces.

All that is is an emissions warning anyway, correct? Or does it make the ecu compensate anything?

02-12-2011, 12:57 AM	#4
Otacon132 Private First Class 11 Rep 109 Posts Drives: E90 M3 Sedan Join Date: Apr 2010 Location: Miami iTrader: (2)	On my old car I used 2 on each, and it worked to clear ces. All that is is an emissions warning anyway, correct? Or does it make the ecu compensate anything?
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