BMW M3 4.0 V8 - 420hp

Stock vs. Tune Maps remap

Measured values for the BMW M3 4.0 V8 - 420hp.

	Stock	Remap	Difference
Power	420 HP	440 HP	+20 HP
Torque	400 Nm	430 Nm	+30 Nm

From the factory the BMW M3 with the 4.0 V8 - 420hp engine (E90 - 2005 - 2011) delivers 420 HP and 400 Nm on petrol. With a Tune Maps remap the calibration is optimised to 440 HP and 430 Nm – that is 5% more power and 8% more torque, while staying within safe limits for engine and drivetrain. The engine is controlled by a Siemens/Continental MSS60 ECU.

Measured values. Results can vary with vehicle condition, fuel quality and hardware.

Engine & ECU data