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Home / Tuning files / BMW / 5 serie / E39 - 1995 - 2003 / 523i 170hp
| Type of fuel | petrol |
| Method | Chiptuning |
| Tuning type | Stage 1 |
| Cylinder content | 2495 CC |
| Compression ratio | 10.50 : 1 |
| Bore X stroke | 84.00 X 75.00 mm |
| Engine number | 256S3 |
| Engine ECU | Siemens/Continental MS43 / Siemens/Continental MS41 / Siemens/Continental MS42 |
| Gearbox ECU |
BMW 5 serie 523i 170hp Stage1 Tuning File
We ensure that the 170 hp / 245 nm torque engine power produced by your BMW 5 serie E39 - 1995 - 2003 model vehicle with the standard option software reaches 187 hp / 272 nm torque after the application of the customized BMW 5 serie E39 - 1995 - 2003 vehicle software (BMW 5 serie E39 - 1995 - 2003 Chip Tuning). After the +17 hp / +27 nm torque power increase, your vehicle's exhaust emission values do not change and do not smoke.
We enable you to use it safely by revealing the power that the factory has restricted due to parameters such as taxation system, sales policy and fuel quality, with licensed software. As a result of this process, there is no harm as the limits set by the factory are not exceeded.
The chip tuning software process to be applied to the engine of your BMW 5 serie E39 - 1995 - 2003 vehicle takes an average of 1-2 hours, please contact us for more information.