Quote:
Originally Posted by Cyn-BMW
The law says the dealer has to prove that a modification caused the failure. Obviously, at some point, if there’s too many modifications BMW isn’t going to be responsible. Small things like a tune, exhaust, and intake aren’t going to add so much horsepower to cause a problem.
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How is tuning a "small" mod? You are creating excessive heat at high RPM and exponentially increasing wear and tear. And why on earth should someone spend $80k on a M3 when they can produce similar power with a $60k M340 +$2k mods, AND hang on to their manufacturer warranty?