RaceChip RS Performance Chip Tuning Box for BMW M4 F82/F83 (2013+) | Plug & Play ECU Piggyback Power Box | Remap Alternative S55 Twin-Turbo Tune Module Forged Carbon Leather Steering Wheel 5J sizing with ET50 for

5J sizing with ET50 for precise F8x fitment options

The seven-map fine-tuning makes it simple to dial in your preferred feel

deeper soundtrack

ITG foam panel for BMW M135i M235i

CNC machined MAP sensor boss reusing the factory o-ring for accurate sensor readings

RaceChip RS Performance Chip Tuning Box for BMW M4 F82/F83 (2013+) | Plug & Play ECU Piggyback Power Box | Remap Alternative S55 Twin-Turbo Tune Module Forged Carbon Leather Steering Wheel 5J sizing with ET50 forPlug in power upgrade for BMW M4 F82 F83 2013 onwards Unlock serious performance with the RaceChip RS module for the BMW M4. This plug and play ECU piggyback is a brilliant remap alternative for the F82 coupe and F83 convertible, delivering sharper throttle response, stronger mid range pull and refined drivability. No Bluetooth on this version, just a simple rotary dial on the unit for on car adjustment. We run this on our own cars and our customers