Here’s the list of all our tuning files for BMW Z4 2.5i 177hp. They can up its engine’s performance by a few to several dozen percent.

BMW Z4 E85 - 2003 - 2008 2.5i 177hp
Engine ECU
Siemens/Continental MS45
Engine Number
N52B25A
|
Stage 1
Stage 2
|
Original | After Tuning | Difference |
|---|---|---|---|
| Power | 177 | 198 | + 21 |
| Torque | 230Nm | 261Nm | + 31 |
| Price | 130,00 € | ||
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