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Service with retrofit NBT
I've read a few threads on main dealer services with a retrofitted NBT unit.
I know that as long as they don't attempt to update the software in the car it should be ok.
I'm wondering how they update your service history record though? Is this done using the engineer menu on the Idrive via the controller? Or do they have to connect to the car to do it?
Car going in this morning for routine service so I guess I'll find out soon enough!
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