Will not write tune only. Will only write entire, why?
Will not write tune only. Will only write entire, why?
Keith mentioned theirs a random issue with some of the E38/E67 pcm's that wont allow a write calibration...they are working on a fix but for the time being you'll need to use the write entire feature.
It doesn't have to be perfect, it just needs to be done in two weeks...
A wise man once said "google it"
Thanks.