Your Vehicle
BMW 7 serie 740D 258hp
Technical Specifications
Power hp
Torque Nm
Power Graph
BMW 7 serie 740D 258hp: da 258 a 300HP
Remapping BMW 7 serie
MasterTuning is a leader in developing remapping for BMW. La BMW 7 serie 740D 258hp può passare da 258 HP a 300 HP con un incremento di 42 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 7 serie 740D 258hp
The BMW 7 serie 740D 258hp is equipped with a diesel engine that produces 258 HP and 600 Nm of torque in its factory configuration. With MasterTuning's professional ECU remapping, this BMW can achieve 300 HP (+16%) and 700 Nm (+17%).
Our Stage 1 tuning for the 7 serie E65 - 2002 - 2008 delivers an impressive gain of +42 HP and +100 Nm, optimizing the diesel engine's performance while maintaining reliability and staying within safe parameters.
The engine code 398D1 identifies this specific powerplant configuration. The Bosch EDC16C31 ECU is professionally recalibrated to unlock hidden potential while preserving engine longevity.
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 7 serie 740D 258hp
Factory technical data for the BMW 7 serie 740D 258hp (E65 - 2002 - 2008), used by MasterTuning engineers to develop a tailored, dyno-tested remap for this specific powerplant.
| Engine code | 398D1 |
|---|---|
| ECU / Control unit | Bosch EDC16C31 |
| Fuel | Diesel |
| Compression ratio | 18.0 |
| Bore × stroke | 84.0 X 88.0 mm |
| Stock power | 258 HP · 600 Nm |
| Remapped power (Stage 1) | 300 HP (+42) · 700 Nm (+100) |
Frequently Asked Questions - BMW 7 serie
How much power can I gain from remapping my BMW 7 serie?
With MasterTuning Stage 1, your BMW 7 serie 740D 258hp can gain +42 HP (from 258 to 300 HP) and +100 Nm of torque. This represents a 16% increase in power.
Is ECU remapping safe for the BMW 7 serie engine?
Yes, MasterTuning's remapping for the BMW 7 serie 740D 258hp is developed within safe parameters. All calibrations are tested on our 4x4 dyno and stay within the mechanical limits of the 398D1 engine.
Is the BMW ECU remapping reversible?
Absolutely. The original factory calibration of your BMW 7 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.
Other Remaps You Might Like
Other Engines BMW 7 serie E65 - 2002 - 2008
Similar Power BMW
Request a Free Quote
Configure your remap and receive a personalized quote in minutes
Your data is safe. No spam, just your quote.