BMW M3 M3 321hp

Stock vs. Tune Maps remap

Measured values for the BMW M3 M3 321hp.

	Stock	Remap	Difference
Power	321 HP	350 HP	+29 HP
Torque	350 Nm	380 Nm	+30 Nm

From the factory the BMW M3 with the M3 321hp engine (E36 - 1991 - 1998) delivers 321 HP and 350 Nm on petrol. With a Tune Maps remap the calibration is optimised to 350 HP and 380 Nm – that is 9% more power and 9% more torque, while staying within safe limits for engine and drivetrain. The engine is controlled by a Siemens/Continental MS41 / Siemens/Continental MSS50 ECU.

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

Engine & ECU data