Quote:
Originally Posted by CaboM4
I highly doubt the 1st point like any coding, all is reverted to FA-default coding upon recoding of an ECU. 2nd point is absolutely possible depending on signing method / future update signature checks to allow push / application of update
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I can tell you that they do check for these things if you take your vehicle in with some sort of a problem. My M550 got flagged for something unrelated when I asked them to look at the ambient lighting being dimmer than it used to be. BMW told the dealership since I did coding on it that they would not pay for any repairs. Luckily my service advisor just reloaded iDrive at my request for no charge. Did not solve the problem, but I traded it in for the iX next week anyway.