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BMW 4 serie 420i 184HP
Technical Specifications
Power hp
Torque Nm
Power Graph
BMW 4 serie 420i 184HP: da 184 a 250HP
Remapping BMW 4 serie
MasterTuning is a leader in developing remapping for BMW. La BMW 4 serie 420i 184HP può passare da 184 HP a 250 HP con un incremento di 66 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 4 serie 420i 184HP
The BMW 4 serie 420i 184HP is equipped with a petrol engine that produces 184 HP and 270 Nm of torque in its factory configuration. With MasterTuning's professional ECU remapping, this BMW can achieve 250 HP (+36%) and 440 Nm (+63%).
Our Stage 1 tuning for the 4 serie f3233-2013-2016 delivers an impressive gain of +66 HP and +170 Nm, optimizing the petrol engine's performance while maintaining reliability and staying within safe parameters.
The engine code B48B20A identifies this specific powerplant configuration. The Bosch MEVD17.2 / Bosch MG1CS003 / Bosch MEVD17.2.4 / Bosch MEVD17.2.9 ECU is professionally recalibrated to unlock hidden potential while preserving engine longevity.
The 4 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 4 serie 420i 184HP
Factory technical data for the BMW 4 serie 420i 184HP (f3233-2013-2016), used by MasterTuning engineers to develop a tailored, dyno-tested remap for this specific powerplant.
| Engine code | B48B20A |
|---|---|
| ECU / Control unit | Bosch MEVD17.2 / Bosch MG1CS003 / Bosch MEVD17.2.4 / Bosch MEVD17.2.9 |
| Fuel | Benzina |
| Compression ratio | 10.0 |
| Bore × stroke | 84.0 X 90.1 mm |
| Stock power | 184 HP · 270 Nm |
| Remapped power (Stage 1) | 250 HP (+66) · 440 Nm (+170) |
Frequently Asked Questions - BMW 4 serie
How much power can I gain from remapping my BMW 4 serie?
With MasterTuning Stage 1, your BMW 4 serie 420i 184HP can gain +66 HP (from 184 to 250 HP) and +170 Nm of torque. This represents a 36% increase in power.
Is ECU remapping safe for the BMW 4 serie engine?
Yes, MasterTuning's remapping for the BMW 4 serie 420i 184HP is developed within safe parameters. All calibrations are tested on our 4x4 dyno and stay within the mechanical limits of the B48B20A engine.
Is the BMW ECU remapping reversible?
Absolutely. The original factory calibration of your BMW 4 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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