Dinan Stage 1 Performance Engine Software BMW S55 M2C M3 M4 - D900-S55-S1
The Dinan D900-S55-S1 Stage 1 Performance Engine Software is designed for 2015-2020 BMW M2 Competition, M3, and M4 models using the S55 engine on F80/F82/F83/F87 chassis.
Dinan offers this as a Stage 1 engine calibration for the S55 platform. Exact power gains depend on vehicle and fuel configuration. Dinan states that this product is not legal for sale or use in California while CARB testing is pending.
Compatibility, DME availability, and installation requirements must be confirmed before ordering.

