BMW 3 serie · E90/E91 - 2010 - 2011

M3 420hp Stage 1 tuning

ECU remap / chiptuning file for the BMW 3 serie M3 420hp. Figures below compare the stock calibration with our tuned file, reviewed by experienced calibrators with safety limits respected.

Power
420 hp 440 hp +20 hp
Torque
400 Nm 430 Nm +30 Nm

Engine specifications

Engine code
S65B40A
Fuel
Petrol
Displacement
3999 cc
Compression
12.0 : 1
Bore × Stroke
92.0 X 75.2 mm
ECU
Siemens/Continental MSS60