Originally Posted by Mike@N54Tuning.com
Keep it at the default 60% for normal use and only raise it for track days, etc, if you want fewer headaches.
No way man! Once you go 100% there's no turning it back!
Simply shut off the car, restart and limp mode is gone. Erase the code before going to the dealer (or you might end up with a new fuel pump) and you're all set.