Quote:
Originally Posted by TXM32B
Did your O2 sensor(s) go out during normal operation of the car? I had an aftermarket x-pipe and high flow cats installed and have experienced the same issue. Is your M3 stock or modified? Thanks.
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Hey Tex!
Car is stock on the exhaust side. I have 10,500 miles and 11 months of DD. 6sp. I run a pulley and air filter only... for now anyway.