BMW 4 serie 420i 184hp

Stock vs. Tune Maps remap

Measured values for the BMW 4 serie 420i 184hp.

	Stock	Remap	Difference
Power	184 HP	250 HP	+66 HP
Torque	300 Nm	440 Nm	+140 Nm

From the factory the BMW 4 serie with the 420i 184hp engine (G22 - 2020 ->) delivers 184 HP and 300 Nm on petrol. With a Tune Maps remap the calibration is optimised to 250 HP and 440 Nm – that is 36% more power and 47% more torque, while staying within safe limits for engine and drivetrain. The engine is controlled by a Bosch MG1CS003 / Bosch MG1CS201 ECU.

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

Engine & ECU data