Just purely out of interest, I thought if you already had an UpRev on the car (I have) and you go to another Tuner, they would be able to see the licence on the ECU and therefore its only tuning time ? May be wrong, but thats what got passed onto me when I purchased the car, it had been done by RS.
That is true as you have the license on ur ecu but a tuner can't take the map off your car.
If you went back to RS then they would have your old map to start from but if you went to dynatune they would have to ask RS for the map and if they weren't willing to pass on then it's from scratch again.
Correct me if I'm wrong Chris.