Your Vehicle
BMW 4 serie GC 420i 184HP 11958
Technical Specifications
Power hp
Torque Nm
Power Graph
BMW 4 serie GC 420i 184HP 11958: da 184 a 250HP
Remapping BMW 4 serie GC
MasterTuning is a leader in developing remapping for BMW. La BMW 4 serie GC 420i 184HP 11958 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 GC 420i 184HP 11958
The BMW 4 serie GC 420i 184HP 11958 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 GC g2x-2021-2024 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 4 serie GC'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 GC 420i 184HP 11958
Factory technical data for the BMW 4 serie GC 420i 184HP 11958 (g2x-2021-2024), used by MasterTuning engineers to develop a tailored, dyno-tested remap for this specific powerplant.
| Engine code | B48B20A |
|---|---|
| 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 GC
How much power can I gain from remapping my BMW 4 serie GC?
With MasterTuning Stage 1, your BMW 4 serie GC 420i 184HP 11958 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 GC engine?
Yes, MasterTuning's remapping for the BMW 4 serie GC 420i 184HP 11958 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 GC 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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