Quote:
Originally Posted by Alext
Thanks very much for the quick responses biglare! What I was getting at with the codes is that I read some flash tunes can leave a trace on the DME that BMW may be able to pick up. I am not sure if this is true or not for the ESS flash tune.
|
To be safe its always best if you clear any codes in the car after you load your stock software and before a trip to the dealer. BMW has many hidden tuner detection triggers in the N54 control system.
This is a before and after dyno of our N54 stage 2 software.
