Thread: 30D vs 35D
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      12-02-2011, 03:36 PM   #22
Ant Man
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Drives: E92 M3 Individual Edition
Join Date: Jun 2008
Location: East Anglia

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Quote:
Originally Posted by clivem2 View Post
That's quite a risk, the dealer can tell straight away from the diagnostic data held on the car that it's been "over-delivering". My leasing company is Alphabet (ie BMW), warranty would be written off and keeping it secret means I'm not insured either.....if I did it would have to be totally above board.
I'm friendly with 3 of my local dealers and none of them check this plus they cannot tell straight away either. It all depends on how the remap has been done, which maps have been updated (there are several) and what parameters have been changed. For a well written remap that does not exceed factory parameters would be very hard to find but not impossible.

Also BMW would have to prove that the remap was the cause of any failure. Plus only the parts that are involved directly with the engine would not be covered. Having a remap will not void wheels, suspensions , bodywork warranties etc.
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