FYI, the E90 NA BMS Powerbox is sold by us for under 400 installed has user switchable maps and can be removed in under an hour. It has map programming and throttle programming (both can be used or 1 at a time).
AA AP2 is now being used on our 135 and also allows pedal map switching. Our old active processor led us to 400+whp pump gas on a dynapak, now adding meth injection plus the AP2 with new programs we are hoping for more. We also ran the car on race gas and put mid 400s RWHP. Dynos to prove (even a video!).
Ontario dealer for Active Autowerke|VF-Engineering
|Brembo Brake Systems
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Maintenance|Performance|Tuning & Forced Induction