A. First off It is in no way good to chiptune engines that use a AT gearbox, next of all I do not recomment to chiptune this CFE engine in particular! We've run fairly some check, and soms checks with blow off valves not working causing overpressure from the turbo https://gearboxcvtproton05050.csublogs.com/40943761/how-gearbox-cvt-proton-can-save-you-time-stress-and-money