BMW M3 M3 343hp

Stock vs. Tune Maps remap

Measured values for the BMW M3 M3 343hp.

	Stock	Remap	Difference
Power	343 HP	365 HP	+22 HP
Torque	365 Nm	390 Nm	+25 Nm

From the factory the BMW M3 with the M3 343hp engine (E46 - 1998 - 2005) delivers 343 HP and 365 Nm on petrol. With a Tune Maps remap the calibration is optimised to 365 HP and 390 Nm – that is 6% more power and 7% more torque, while staying within safe limits for engine and drivetrain. The engine is controlled by a Siemens/Continental MSS52 / Siemens/Continental MSS54 ECU.

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

Engine & ECU data