Thread: Downpipes?
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      04-29-2021, 09:39 AM   #16
mrgicm
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Drives: BMW M
Join Date: Nov 2011
Location: Germany

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Quote:
Originally Posted by BootlegBurton View Post
Ive got a BM3 license and tune ready to go but i was advised by a freind thats a service manager at BMW (that also has a slew of modified cars) that even if you put the stock tune back on the DME, they can still see its been modified at one point and void the warranty. They even told him theyd void the warranty on his personal M3, and he works there.

There is a method to do it without them telling. Just do full backup in bench.
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