Mosselman Stage 3 Tuning Package for all F8X M3 and M4 Models
Mosselman Stage 3.1 Tuning Package for all F8X M3 and M4 models, consisting of ECU tuning, Akrapovic Downpipes, and Mosselman Hybird Turbochargers. Package designed to produce 620hp when used with an aftermarket exhaust system.
Mosselman Hybrid Turbochargers use uprated hardware, uprated and enlarged compressor wheel, uprated and enlarged turbine wheel combined with re-machined enlarged internals.
Upgraded exhaust system is also recommended if not already installed.