Your Vehicle
BMW X3 xDrive M40d 340hp
Technical Specifications
Power and torque increase
Stage 1: software remap only, no mechanical changes, fully reversible.
Power HP
Torque Nm
Book your Stage 1 remap
499 € VAT included · pay online, the work is done at the workshop you choose
Power Graph
BMW X3 xDrive M40d 340hp: da 340 a 400HP
Remapping BMW X3
MasterTuning is a leader in developing remapping for BMW. La BMW X3 xDrive M40d 340hp può passare da 340 HP a 400 HP con un incremento di 60 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 X3 xDrive M40d 340hp
The BMW X3 xDrive M40d 340hp is equipped with a diesel engine that produces 340 HP and 700 Nm of torque in its factory configuration. With MasterTuning's professional ECU remapping, this BMW can achieve 400 HP (+18%) and 800 Nm (+14%).
Our Stage 1 tuning for the X3 G01/08 - 2017 - 2020 delivers an impressive gain of +60 HP and +100 Nm, optimizing the diesel engine's performance while maintaining reliability and staying within safe parameters.
The engine code B57D30 identifies this specific powerplant configuration.
As a diesel engine, this BMW responds exceptionally well to ECU tuning. Owners typically report improved throttle response, smoother power delivery, and in many cases, better fuel efficiency under normal driving conditions.
Technical Specifications — BMW X3 xDrive M40d 340hp
Factory technical data for the BMW X3 xDrive M40d 340hp (G01/08 - 2017 - 2020), used by MasterTuning engineers to develop a tailored, dyno-tested remap for this specific powerplant.
| Engine code | B57D30 |
|---|---|
| Fuel | Diesel |
| Compression ratio | 16.5 |
| Bore × stroke | 84.0 X 90.0 mm |
| Stock power | 340 HP · 700 Nm |
| Remapped power (Stage 1) | 400 HP (+60) · 800 Nm (+100) |
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 xDrive M40d 340hp can gain +60 HP (from 340 to 400 HP) and +100 Nm of torque. This represents a 18% increase in power.
Is ECU remapping safe for the BMW X3 engine?
Yes, MasterTuning's remapping for the BMW X3 xDrive M40d 340hp is developed within safe parameters. All calibrations are tested on our 4x4 dyno and stay within the mechanical limits of the B57D30 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
Other Engines BMW X3 G01/08 - 2017 - 2020
Similar Power BMW
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.
Request Quote on WhatsAppYour data is safe. No spam, just your quote.