Quote:
Originally Posted by RPiM5
No tuner will provide a warranty with their tune, with the exception of maybe Dinan. Like I have already alluded to, Dinan has not come out with a single mod for the F10 M5 and the 2013 M5 been out for a year here in the United States already. At least give us some lowering springs Dinan, are you listening? Lol!
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AC Schnitzer provide warranty on all of their tunes:
http://www.ac-schnitzer.de/en/bmw-ca...2/engineering/