BMW Z4 · E85 - 2003 - 2008

2.5i 177hp Stage 1 tuning

ECU remap / chiptuning file for the BMW Z4 2.5i 177hp. Figures below compare the stock calibration with our tuned file, reviewed by experienced calibrators with safety limits respected.

Power
177 hp 193 hp +16 hp
Torque
230 Nm 255 Nm +25 Nm

Engine specifications

Engine code
N52B25A
Fuel
Petrol
Displacement
2497 cc
Compression
11.0 : 1
Bore × Stroke
82.0 X 78.8 mm
ECU
Siemens/Continental MS45, Siemens/Continental MSV70