A. First off It can be never ever great to chiptune engines that utilize a AT gearbox, next of all I don't recomment to chiptune this CFE motor in particular! We have run rather some check, and soms assessments with blow off valves not Functioning triggering overpressure from your turbo https://franciscojlkhd.onesmablog.com/how-gearbox-cvt-proton-can-save-you-time-stress-and-money-74572336