Quote:
Originally Posted by ade330d
Apologies, newbie.
Will the unit power the OBD or.... do you need to have the key in the ignition to transfer Maps.
Also, do you know if the computer counts of the number of times its been mapped and restore. As BMW will know.
Talking from a point of programming.
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Ignition needs to on.
BMW have implemented something recently for diesels where they can tell if the car has been flashed. I do not know anyone that can guarantee a way around this.
If you are worried about warranty then I wouldn't tune the car.