Here’s the list of all our tuning files for BMW 5 serie 523i 204hp. They can up its engine’s performance by a few to several dozen percent.

BMW 5 serie F10/11 - 2010 - 2016 523i 204hp
Engine ECU
Siemens/Continental MSD87.1
Engine Number
N52B25A
|
Stage 1
Stage 2
|
Original | After Tuning | Difference |
|---|---|---|---|
| Power | 204 | 269 | + 65 |
| Torque | 270Nm | 320Nm | + 50 |
| Price | 130,00 € | ||
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