Carbahn - Stage 1 Performance Controller - BMW G8X M3/M4 ^Sale

These maps are designed to accommodate different octane fuels for additional increased performance. You can choose between 91, 93 and 100 Octane. As with all CarBahn products an optional powertrain warranty can be purchased.

If you want to trade your CarBahn Performance Controller in for software in the future, there is a $250 upgrade fee and if you purchased the warranty, it is transferable to the software at no additional charge. 

About Steve Dinan
Steve Dinan has over 40 years of streetcar tuning experience. As an engine supplier we won 3 prototype racing championships and two overall wins at the 24hrs of Daytona partnering with Chip Ganassi Racing. No one know more about tuning high performance engines than Steve Dinan.

Vehicles Supported
BMW G8X M3/M4, including Competition