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BMW 3 serie 320i 170HP 3848
Technical Specifications
Power hp
Torque Nm
Power Graph
BMW 3 serie 320i 170HP 3848: da 170 a 182HP
Remapping BMW 3 serie
MasterTuning is a leader in developing remapping for BMW. La BMW 3 serie 320i 170HP 3848 può passare da 170 HP a 182 HP con un incremento di 12 HP.
The development of each remap is customized by MasterTuning.
- 100% tested and customized files guarantee
- Tested and developed on a 4x4 dyno
- Best performance, within safety margins
- Reduced fuel consumption
ECU Remapping Details BMW 3 serie 320i 170HP 3848
The BMW 3 serie 320i 170HP 3848 is equipped with a petrol engine that produces 170 HP and 210 Nm of torque in its factory configuration. With MasterTuning's professional ECU remapping, this BMW can achieve 182 HP (+7%) and 240 Nm (+14%).
Our Stage 1 tuning for the 3 serie e90e91-2010-2011 delivers an impressive gain of +12 HP and +30 Nm, optimizing the petrol engine's performance while maintaining reliability and staying within safe parameters.
The engine code N43B20A identifies this specific powerplant configuration. The Siemens/Continental MSD81 / Bosch MEV17.4.6 / Siemens/Continental MSD80 ECU is professionally recalibrated to unlock hidden potential while preserving engine longevity.
The 3 serie's petrol engine benefits significantly from professional ECU calibration. The result is a more responsive, enjoyable driving experience with improved power delivery throughout the rev range.
Technical Specifications — BMW 3 serie 320i 170HP 3848
Factory technical data for the BMW 3 serie 320i 170HP 3848 (e90e91-2010-2011), used by MasterTuning engineers to develop a tailored, dyno-tested remap for this specific powerplant.
| Engine code | N43B20A |
|---|---|
| ECU / Control unit | Siemens/Continental MSD81 / Bosch MEV17.4.6 / Siemens/Continental MSD80 |
| Fuel | Benzina |
| Compression ratio | 12.0 |
| Bore × stroke | 84.0 X 90.0 mm |
| Stock power | 170 HP · 210 Nm |
| Remapped power (Stage 1) | 182 HP (+12) · 240 Nm (+30) |
Frequently Asked Questions - BMW 3 serie
How much power can I gain from remapping my BMW 3 serie?
With MasterTuning Stage 1, your BMW 3 serie 320i 170HP 3848 can gain +12 HP (from 170 to 182 HP) and +30 Nm of torque. This represents a 7% increase in power.
Is ECU remapping safe for the BMW 3 serie engine?
Yes, MasterTuning's remapping for the BMW 3 serie 320i 170HP 3848 is developed within safe parameters. All calibrations are tested on our 4x4 dyno and stay within the mechanical limits of the N43B20A engine.
Is the BMW ECU remapping reversible?
Absolutely. The original factory calibration of your BMW 3 serie is always backed up before remapping. The process is 100% reversible at any time.
Will remapping affect my BMW warranty?
ECU remapping may affect your manufacturer warranty. We recommend checking your specific warranty terms. Many of our customers choose to remap after the warranty period or accept this trade-off for the significant performance gains.
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