Originally Posted by Alan l.
I do believe ECU tuning is done by HARTGE but being rebadged for Kelleners.
Its a piggyback tune that we can purchase here in the states through Turnermotorsport.
If we go by what Alan said, the chip and it is being rebranded see link below:
The chip cost approx $1,200
EDIT: They actually have it on sale from $1,600 to now $1,299 if you probably wait till end of year or so with other competitors or more stuff coming out for the F30 you can get this fro under 1k, imo. Lets see...