Quote:
Originally Posted by PLF69
What's the verdict on OEM detection at the dealer for an unlocked ECU (assuming your reflash to stock before a dealer visit)? I know if you do the updates it could be relocked but more talking about being blackflagged by BMW.
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If you unlock and flash your ECU you should 100% expect for them to deny any warranty claims on the powertrain past that. It's a roll of the dice and odds definitely aren't in your favor.