BMW M3 · E36 - 1991 - 1998

M3 321hp Stage 1 tuning

ECU remap / chiptuning file for the BMW M3 M3 321hp. Figures below compare the stock calibration with our tuned file, reviewed by experienced calibrators with safety limits respected.

Power
321 hp 350 hp +29 hp
Torque
350 Nm 380 Nm +30 Nm

Engine specifications

Engine code
326S1
Fuel
Petrol
Displacement
3201 cc
Compression
11.3 : 1
Bore × Stroke
86.4 X 91.0 mm
ECU
Siemens/Continental MS41, Siemens/Continental MSS50