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BMW Z3 1.8i 118hp
Technical Specifications
Power hp
Torque Nm
Power Graph
BMW Z3 1.8i 118hp: da 118 a 129HP
Remapping BMW Z3
MasterTuning is a leader in developing remapping for BMW. La BMW Z3 1.8i 118hp può passare da 118 HP a 129 HP con un incremento di 11 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 Z3 1.8i 118hp
The BMW Z3 1.8i 118hp is equipped with a petrol engine that produces 118 HP and 180 Nm of torque in its factory configuration. With MasterTuning's professional ECU remapping, this BMW can achieve 129 HP (+9%) and 200 Nm (+11%).
Our Stage 1 tuning for the Z3 All delivers an impressive gain of +11 HP and +20 Nm, optimizing the petrol engine's performance while maintaining reliability and staying within safe parameters.
The engine code M43B18 identifies this specific powerplant configuration. The Bosch M5.2 / Bosch BMS46 ECU is professionally recalibrated to unlock hidden potential while preserving engine longevity.
The Z3'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 Z3 1.8i 118hp
Factory technical data for the BMW Z3 1.8i 118hp (All), used by MasterTuning engineers to develop a tailored, dyno-tested remap for this specific powerplant.
| Engine code | M43B18 |
|---|---|
| ECU / Control unit | Bosch M5.2 / Bosch BMS46 |
| Fuel | Benzina |
| Compression ratio | 9.7 |
| Bore × stroke | 84.0 X 81.0 mm |
| Stock power | 118 HP · 180 Nm |
| Remapped power (Stage 1) | 129 HP (+11) · 200 Nm (+20) |
Frequently Asked Questions - BMW Z3
How much power can I gain from remapping my BMW Z3?
With MasterTuning Stage 1, your BMW Z3 1.8i 118hp can gain +11 HP (from 118 to 129 HP) and +20 Nm of torque. This represents a 9% increase in power.
Is ECU remapping safe for the BMW Z3 engine?
Yes, MasterTuning's remapping for the BMW Z3 1.8i 118hp is developed within safe parameters. All calibrations are tested on our 4x4 dyno and stay within the mechanical limits of the M43B18 engine.
Is the BMW ECU remapping reversible?
Absolutely. The original factory calibration of your BMW Z3 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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