Quote:
Originally Posted by 808X1
No, the codes will already be stored in the ECU, thus you will not lose your changes, unless your ECU is being updated at the dealer, which essentially overwrites it.
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What's worse is that one time they reset mine and removed features that came stock, like comfort access and red sports displays. Kinda weird.
They also detected my tune and reset it when I asked for them to restore all ECU's in the car back to stock.