Your Vehicle
BMW X3 M40i 360hp
Technical Specifications
Power and torque increase
Stage 1: software remap only, no mechanical changes, fully reversible.
Stage 1: file 100 € online + installation 350 € at the workshop (via the OBD port) Book now
Power HP
Torque Nm
Buy the Stage 1 file, pay the installation at the workshop
100 € VAT included: the file developed for your engine, paid online
Installation: 350 € network price, the workshop may charge less, paid at the chosen workshop (via the OBD port) · terms
Power Graph
BMW X3 M40i 360hp: da 360 a 400HP
Remapping BMW X3
MasterTuning develops remapping for BMW. La BMW X3 M40i 360hp può passare da 360 HP a 400 HP con un incremento di 40 HP.
The development of each remap is customized by MasterTuning.
- 100% customised files with lifetime warranty
- Reference values for Stage 1: the file is developed on your vehicle and checked in the workshop
- Best performance, within safety margins
- Reduced fuel consumption
ECU Remapping Details BMW X3 M40i 360hp
The BMW X3 M40i 360hp is equipped with a petrol engine that produces 360 HP and 500 Nm of torque in its factory configuration. With MasterTuning's professional ECU remapping, this BMW can achieve 400 HP (+11%) and 580 Nm (+16%).
Our Stage 1 tuning for the X3 G01/08 LCI - 2021 -> ... delivers an impressive gain of +40 HP and +80 Nm, optimizing the petrol engine's performance while maintaining reliability and staying within safe parameters.
The engine code B58B30M0 identifies this specific powerplant configuration. The Bosch MG1CS003 / Bosch MG1CS024 / Bosch MG1CS201 ECU is professionally recalibrated to unlock hidden potential while preserving engine longevity.
With 360 HP from factory, this BMW X3 is already a performance vehicle. Our remapping extracts even more potential, delivering exhilarating acceleration and enhanced driving dynamics for enthusiasts who demand the best.
Technical Specifications — BMW X3 M40i 360hp
Factory technical data for the BMW X3 M40i 360hp (G01/08 LCI - 2021 -> ...), used by MasterTuning engineers to develop a remap tailored to this specific powerplant. Figures shown are reference values for Stage 1; the file is developed on your vehicle and checked in the workshop.
| Engine code | B58B30M0 |
|---|---|
| ECU / Control unit | Bosch MG1CS003 / Bosch MG1CS024 / Bosch MG1CS201 |
| Fuel | Petrol |
| Compression ratio | 11.0 |
| Bore × stroke | 82.0 X 94.6 mm |
| Stock power | 360 HP · 500 Nm |
| Remapped power (Stage 1) | 400 HP (+40) · 580 Nm (+80) |
Don't want to touch the ECU?
Rapid Dimsport add-on modules connect to the engine sensors with original connectors: they fit in a few hours and come off without a trace, leaving the factory software untouched. Useful on a leased car, one still under warranty or one you plan to sell soon. Check which ones fit your BMW X3.
Frequently Asked Questions - BMW X3
How much power can I gain from remapping my BMW X3?
With MasterTuning Stage 1, your BMW X3 M40i 360hp can gain +40 HP (from 360 to 400 HP) and +80 Nm of torque. This represents a 11% increase in power.
Which ECU does the BMW X3 M40i 360hp use?
The BMW X3 M40i 360hp uses the Bosch MG1CS003 / Bosch MG1CS024 / Bosch MG1CS201 engine control unit. MasterTuning recalibrates this ECU for Stage 1 and Stage 2.
What is the engine code of the BMW X3 M40i 360hp?
The engine code of the BMW X3 M40i 360hp is B58B30M0. You can find it in the vehicle documents or on the engine plate.
Is ECU remapping safe for the BMW X3 engine?
Yes, MasterTuning's remapping for the BMW X3 M40i 360hp is developed within safe parameters. Each file is developed on your vehicle, checked in the workshop and stays within the mechanical limits of the B58B30M0 engine.
Is the BMW ECU remapping reversible?
Absolutely. The original factory calibration of your BMW X3 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.
Other Remaps You Might Like
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Book your remap or ask for a quote
Stage 1 can be bought online and is done at the workshop you choose; for Stage 2 we send you a quote.
Stage 2 is quoted on request: write to us and we will reply with price and timing.
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