Chip Tuning Files Service has the ECU tuning files for your Bmw 523i vehicle. This original chip tuning file will boost performances of your Siemens/Continental engine within safety margin for your Bmw 5er.
This chiptuning files adjust the Engine Control Unit (ECU) of your Bmw car in order to optimize fuel consumption and engine power.
Tuning ECU files specifications for Bmw 523i
| Car | Bmw 5er 523i |
|---|---|
| Manufacturer of ECU | Siemens/Continental |
| ECU Type | |
| ECU Prod Nr | |
| ECU HW hardware number | 5WK91142 |
| ECU SW software number | 9QKMI2 |
| ECU SW UP software upgrade version |
Why choose us for your 5WK91142 9QKMI2 ECU files ?
- Dedicated tuning file services : DPF off, Reduction of fuel consumption, Custom ecu remap, Engine calibration
- Available remaps : stage 1
- Expert for Bmw and Siemens/Continental
- Increase horsepower and torque
- European company
- Satisfied guarantee
- Chiptuning tools
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