BMW M3 · E46 - 1998 - 2005
M3 343hp Stage 1 tuning
ECU remap / chiptuning file for the BMW M3 M3 343hp. Figures below compare the stock calibration with our tuned file, reviewed by experienced calibrators with safety limits respected.
Power
343 hp
365 hp
+22 hp
Torque
365 Nm
390 Nm
+25 Nm
Engine specifications
- Engine code
- 326S4
- Fuel
- Petrol
- Displacement
- 3246 cc
- Compression
- 11.5 : 1
- Bore × Stroke
- 87.0 X 91.0 mm
- ECU
- Siemens/Continental MSS52, Siemens/Continental MSS54