Quote:
Originally Posted by pbonsalb
02s are supposed to last longer than 40k miles, so get the codes pulled using an advanced scan tool with BMW specific capability. Go from there.
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I had 2 go out...before 30k miles. One before primary cat and one post...
It could have been from them being damaged when the test pipes were put on. I saw how they did it, they unclipped them and dropped them with the OEM xpipe, but who knows.
Dave