BMW 3 serie · E46 - 1998 - 2005

323i 170hp Stage 1 tuning

The BMW 3 serie 323i 170hp produces 170 hp and 245 Nm as standard. The YASTUNING Stage 1 remap file takes it to 185 hp and 265 Nm, a gain of +15 hp and +20 Nm. Engine code M52TUB25. ECU: Bosch ME9, Siemens/Continental MS41, Siemens/Continental MS42, Siemens/Continental MS43. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.

Power
170 hp 185 hp +15 hp
Torque
245 Nm 265 Nm +20 Nm

Engine specifications

Engine code
M52TUB25
Fuel
Petrol
Displacement
2494 cc
Compression
10.5 : 1
Bore × Stroke
84.0 X 75.0 mm
ECU
Bosch ME9, Siemens/Continental MS41, Siemens/Continental MS42, Siemens/Continental MS43