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      06-22-2007, 02:16 AM   #3
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Drives: E30 M3; Expedition
Join Date: Apr 2007
Location: USA

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Originally Posted by jpan08 View Post
does aftermarket stuff void the waranty on the car?
Legally in the US, it depends on the specifics of the mod. If you get new wheels, and the engine loses compression, you are technically covered. If you lower the car, and the engine loses compression, you should still be technically covered although the dealer might argue there was somehow a connection and give you a hard time (well if you lowered it and dragged the engine on the pavement that's another story). If you chip the engine, and the engine loses compression, you should be screwed. But I've heard that if the chip comes from a supplier BMW has worked something out with, you might be okay. If that is true, I would like to see a list of approved mods/vendors after the car comes out.