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**chutan** · 10-25-2009, 12:46 AM

Not sure if the O2 are aftermarket......i think only the headers and muffler are ACS....the straight pipes are still original bmw.

we only have one 02 sensor in our cars right?

10-25-2009, 12:46 AM	#24
chutan Name: chutan Title: United Newb Status: Offline Join Date: Oct 2009 Location: Philippines User not setup in Rate My Car. Click here to set it up. Your Ride: 1992 e36	Not sure if the O2 are aftermarket......i think only the headers and muffler are ACS....the straight pipes are still original bmw. we only have one 02 sensor in our cars right?