Quote:
Originally Posted by Matt7246
I just called local dinan dealer they said JB4 is the worst tune you can do on a car, figures a dinan dealer would say that lol. I also spoke with another guy who said he actually tunes the car manually with no external chip module box added and that's the best way to go since he can remove it for $100 if I ever need to get dealer service. any ever heard of this kind if tune? I mainly worried cause I paid extra for 100k mile warranty and would hate to void that
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If you "tune" you can end up paying. As of now Dinan is the only piggy that will pay. You cannot tune any car and the dealer in case of a failure, not dig and find a tune was put in, even if re flashed back to stock. Again, spend about 10-20 hours reading to familiarize yourself. jB4 is not a tune, neither is Dinan, they are piggy backs.
DME, evolve, BM3, and others that change your ecu are tunes. Yes you double power increase with a real tune but you need to understand the difference between a piggy and a TUNE. Could cost $30-40k to go with a tune
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2013 535i M, Carbon black 20' 6 M wheels, totaled.
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