BMW 3 serie 320si 173hp
E90/E91 - 2005 - 2010
BMW 3 serie E90/E91 - 2005 - 2010 320si 173hp
Key Specifications
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E90/E91 - 2005 - 2010 |
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Petrol |
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N45B20A |
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Bosch MEV946 |
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12.0:1 |
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84.0 X 90.0 mm |
Discover Our Tuning Solutions
Tuning files for BMW 3 serie (E90/E91 - 2005 - 2010) 320si 173hp
MasterTuning S.R.L. is one of the leading developers of tuning files for BMW 3 serie 320si 173hp. 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 3 serie E90/E91 - 2005 - 2010 Engines
Similar Power (~173 HP)
The cost of Stage 1 tuning for BMW 3 serie 320si 173hp varies depending on the ECU (Bosch MEV946) and specific requirements. Contact us for a free personalized quote.
Stage 1 tuning for BMW 3 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 173 to 185 HP (+7%) is within safe parameters.
With Stage 1 tuning, BMW 3 serie goes from 173 HP to 185 HP (+12 HP) and from 200 Nm to 220 Nm (+20 Nm).
Stage 1 remapping takes it from 173 HP to 185 HP (+12 HP, +7%) and torque from 200 Nm to 220 Nm (+20 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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