Quote:
Originally Posted by RollTide31
Does the muffler delete mod void the BMW warranty? I really want to do it but I still have several years of warranty left that I want to keep. I talked to two BMW service managers today who said it would probably void it but weren't 100% sure.
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someone mentioned any mod after the catalyc would be okay....
i am not sure tho....but i highly doubt it will effect any engine problem..