Quote:
Originally Posted by mpizutti
So your catted DP DOES NOT!! Void the Warranty???
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Voiding a warranty is a weird thing. No, BMW will not cover your exhaust system if you have an aftermarket downpipe installed. However, it does not "void the warranty" in full, and, in reality, nothing does.
The way this usually works is that only the system effected actually gets voided. For example, you put the Fabspeed pipe in, and then your windows all of a sudden don't want to roll down anymore. Your windows would still be covered under warranty, because it has nothing to do with the downpipe.
On the other hand, if you have an exhaust leak (and put the downpipe in), BMW would (most likely) not cover any repairs.