Quote:
Originally Posted by dmanb2b
Warranty and tuning don't mix, so stay away from the dealer if you want to be dme tuned. BMW has clearly shifted focus post VW dieselgate and is doing everything they can to stop aftermarket dme modification. So if tuning is something you want, just stay away or become friends with your SA and make sure they do not touch the OBD port during service.
Twisted tuning is fairly local to NJ, depending on where you are at. There are plenty of independent BMW shops that support the enthusiast community and maintenance.
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Depends what the warranty is for. If it's for suspension work, or for the HU, or anything unrelated to drivetrain and turbo, it would still be covered.