BMW 5 serie 523i 170hp
E39 - 1995 - 2003
BMW 5 serie E39 - 1995 - 2003 523i 170hp
Key Specifications
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E39 - 1995 - 2003 |
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Petrol |
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256S3 |
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Siemens/Continental MS43 / Siemens/Continental MS41 / Siemens/Continental MS42 |
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10.5:1 |
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84.0 X 75.0 mm |
Discover Our Tuning Solutions
Tuning files for BMW 5 serie (E39 - 1995 - 2003) 523i 170hp
MasterTuning S.R.L. is one of the leading developers of tuning files for BMW 5 serie 523i 170hp. The development of each tuning file is the result of perfection and dedication of our programmers. We use only the latest technologies and have years of experience in ECU remapping software. Many chiptuning companies worldwide download their tuning files from us to achieve the best possible results. All our tuning files guarantee the best performance and results within safety margins.
- 100% custom tuning files guarantee;
- Tested and developed on 4x4 dynamometer;
- Best possible performance, within safety margins;
- Reduced fuel consumption.
Other 5 serie E39 - 1995 - 2003 Engines
Similar Power (~170 HP)
The cost of Stage 1 tuning for BMW 5 serie 523i 170hp varies depending on the ECU (Siemens/Continental MS43 / Siemens/Continental MS41 / Siemens/Continental MS42) and specific requirements. Contact us for a free personalized quote.
Stage 1 tuning for BMW 5 serie typically takes 1-2 hours of work. Time may vary depending on the ECU type.
Yes, our Stage 1 tunes are developed respecting the engine's safety margins. The power increase from 170 to 187 HP (+10%) is within safe parameters.
With Stage 1 tuning, BMW 5 serie goes from 170 HP to 187 HP (+17 HP) and from 245 Nm to 272 Nm (+27 Nm).
Stage 1 remapping takes it from 170 HP to 187 HP (+17 HP, +10%) and torque from 245 Nm to 272 Nm (+27 Nm). These figures refer to the standard engine, with no hardware modifications.
A remap changes the factory calibration, so on a vehicle still under manufacturer warranty it may affect coverage on powertrain components. Performance tuning keeps all emission systems working; deactivating emission devices such as DPF, EGR or AdBlue is not road-legal in the EU and UK and is intended for off-road, motorsport or export use only.
With a normal driving style consumption usually stays the same or drops slightly: the extra torque at low rpm means less throttle for the same speed. Consumption goes up only if you actually use the additional power.
Yes. The original file is read and stored before any modification, so the vehicle can be returned to the factory calibration at any time.
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