Turning my '97 M3 back to stock. I currently have a tune on it, but I can't locate my stock chip. Looking for a stock S52 chip, my car is a '97 if that matters.
If its the OBDII MS41 DME there is no chip. Will have to buy another ECU and have it realigned with the EWS.
I think I have a spare DME. Shoot me a PM if you’re interested.
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