Originally Posted by BEAR-AvHistory
I know about switching back to stock but that's not what I am asking. If the car is tuned at a pro shop do they give you the pro-tune maps to take with you so you can go back to the pro-tune after a BMW dealer visit?
I am pretty sure on the Vishnu flash you have to ship the ECU back & forth to get it changed.
Yes, they get the protuned maps if it is done via ATP that can be flashed back to the DME at anytime
This is one of the essiantial features for "Etuning" that PTF does with Cobb without having to go to an actual dyno shop