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      12-12-2013, 08:18 PM   #34
435iaffair
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Drives: 435i, Z4M, M157 E63
Join Date: Oct 2013
Location: San Marino, CA

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2014 435i  [4.50]
Quote:
Originally Posted by basscadet View Post
If your dealer wants to find a reason to deny a warranty they will find it. Sometimes they will just look for physical evidence of tampering on the ECU box and that is enough.

Arguments about "undetectable" tunes is complete nonsense in 2013. There are hundreds of ways BMW can tell you to take a walk once you turn up the boost and try to file a warranty claim.
Completely agreed, which is why I never bought into it...might as well just get a real flash and call it a day