Quote:
Originally Posted by njfoses
Have yet to see a single example where a piggyback was physically removed prior to the service visit and the car was flagged. The proactive flagging of a vehicle is solely due to the DME being unlocked. That said, if there is a high $$ warranty claim then BMW engineers can come out and pull logs to verify parameters. There is risk regardless, but much higher likelihood of warranty work being denied due to DME unlock than a piggyback.
|
I have had warranty work be denied even when the car was stock so I gave up and just started modding lol. No more dealer visits for me. But as you said they can go into it and check.