G20 BMW 3-Series Forum - View Single Post

Fuel-It! · 11-19-2020, 06:12 PM

I think they can only overwrite it and lock the ECU by doing a dealer service update. So just avoid the dealer.

11-19-2020, 06:12 PM	#2
Fuel-It! Banned 550 Rep 949 Posts Drives: M4, M5, M2C, X4M, 440i, etc... Join Date: Mar 2019 Location: Phoenix AZ iTrader: (0)	I think they can only overwrite it and lock the ECU by doing a dealer service update. So just avoid the dealer.
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