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xHP - The real Transmission - Tuning App! Licenses available at With currently supporting over 300 different BMW Models with ZF 6 or 8-Speed Transmission, xHP is the most complete solution you can get on the market. Get the most out of your ZF Auto, by applying one of our 3 Stages and further tailor your setup with our built in Custom-Functions! From adjustable Launch Control, to individual Shift-RPMS, Shift-Speeds and much more, xHP packs all in an easy-to-use Interface on your Smartphone! Each Stage is developed in-house specifically for your model, with your stock file as base for our work. This ensures trouble-free operation over years and in all driving environments. xHP is the base for your Transmission to operate as designed, even on highly tuned engines. Besides the ECU (Engine Controller) the TCU (Transmission Controller) is the most important unit to flash, when you want to do it proper. Does your Auto-Transmission sometimes slip, shift weird or did you experience
