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      12-12-2013, 07:03 PM   #33
basscadet
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Drives: 991.2 GT3
Join Date: Nov 2013
Location: Overland Park, KS

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Quote:
Originally Posted by 435iaffair View Post
the upside to piggyback tunes, at least for the n54/55, is they allegedly won't be detected by the dealership, at least according to a few tuners I spoke to. I'm still skeptical about that though.

when i was playing with cheaper turbo cars I always went with custom tunes as the gain + reliability were so much greater, but the S55 probably wouldn't be cheap to replace

gotta pay to play
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.
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