A. To begin with It can be never very good to chiptune engines that make use of a AT gearbox, 2nd of all I do not recomment to chiptune this CFE motor in particular! We have now run quite some test, and soms checks with blow off valves not Functioning https://manueldijjh.digitollblog.com/33767361/the-gearbox-cvt-proton-diaries