Originally Posted by Evolved M3
As far as the dealerships re-setting the ECU...my question is if they do, how will you know (besides the decrease in power which might be not be noticed if daily driving)? If i plug the system back in, will i tell me if my tune is still uploaded or if its back to factory settings?
Yes - you will see that the software version has changed if the dealer does an update.
Nice forum name BTW!