BMW X6 ECU remapping
467 files available

About remapping
The BMW X6 accounts for 467 files in our catalogue, led by the 3.0d straight-six diesel in its 30d, 40d and M50d forms, with the 50i and 35i petrol turbos alongside. It is a large coupe-SUV where weight and performance intent go hand in hand.
Stage 1 makes up 375 files, with 86 Stage 2, 63 speed limiter removals and 47 EGR off. The ECUs include EDC17CP45, EDC16CP35 and EDC17C50 on the diesels, plus MSD81, MSD85 and the more recent MG1CS201 on the petrol units.
Model highlights
- ›375 Stage 1 files, led by the 3.0d straight-six diesel.
- ›Coverage of the 30d, 40d and multi-turbo M50d versions.
- ›86 Stage 2 files and 63 speed limiter removals.
- ›ECUs including EDC17CP45, EDC16CP35, EDC17C50, MSD81, MSD85 and MG1CS201.
Fuel split
Engines and gains
| Engine | Fuel | Stock | Stage 1 | Stage 2 |
|---|---|---|---|---|
| 4.4 V8 Bi-Turbo Competition | Petrol | 625 hp | 675 hp +50 | 695 hp +70 |
| X6M F86 4.4 | Petrol | 575 hp | 680 hp +105 | — |
| X6M E71 | Petrol | 555 hp | 618 hp +63 | 630 hp +75 |
| ActiveHybrid E72 | Diesel | 485 hp | 545 hp +60 | — |
| 50i | Petrol | 450 hp | 535 hp +85 | 572 hp +122 |
| xDrive50i E71 | Petrol | 407 hp | 467 hp +60 | — |
| xDrive M50d | Diesel | 381 hp | 420 hp +39 | 440 hp +59 |
| 35i Active Hybrid | Other | 340 hp | 400 hp +60 | — |
| 4.0d | Diesel | 313 hp | 358 hp +45 | — |
| xDrive35i E70 | Petrol | 306 hp | 365 hp +59 | 382 hp +76 |
| xDrive40d E71 | Diesel | 306 hp | 358 hp +52 | — |
| 35i N55 | Petrol | 306 hp | 365 hp +59 | 386 hp +80 |
| xDrive35d E71 | Diesel | 286 hp | 320 hp +34 | 338 hp +52 |
| 30d | Diesel | 258 hp | 308 hp +50 | 320 hp +62 |
| xDrive30d E71 | Diesel | 245 hp | 300 hp +55 | — |
| 25d | Diesel | 218 hp | 265 hp +47 | — |
Indicative figures from the technical catalogue; confirmed when you request the file.
Power curve
4.0d
ECUs
Generations covered
ECU manufacturers
Available services
Remapping services
Stage 1
Optimising the original map with no hardware changes: more power and torque, full reliability.
Stage 2
Remap for vehicles with mechanical upgrades (intake, exhaust, intercooler…).
Speed limiter removal
Removal of the factory speed limiter.
EGR off
EGR valve management to reduce soot issues and improve response.
DPF off
Particulate filter solution: no more regenerations or blockage warnings.
Pops & bangs
Pops & bangs exhaust effect (on lift-off and gear changes).
AdBlue/SCR off
AdBlue/SCR system management to avoid faults and lock-outs.
Stage 3
Setup for high-performance modifications on specific hardware.
Why remap with Repromatronic
- ✓More power and torque with engine-safe tuning
- ✓Sharper throttle response and nicer driving
- ✓Potential fuel savings in normal driving
- ✓Files built from the original and 100% reversible
- ✓Made by technicians with thousands of projects behind them
Are you a driver?
Request a free quote for your vehicle and we'll tell you the gains you can expect.
Request a quoteAre you a workshop or professional?
Sign up, buy credits and download the optimised file instantly.
Log in as a professionalFrequently asked questions
What is the M50d?
It is the multi-turbo version of the 3.0 diesel, the most powerful diesel in the range. It is covered in our catalogue with its own files.
Is a remap noticeable on such a heavy vehicle?
Very much so, precisely because of the weight. The extra mid-range torque reduces the need to change down under load.
Do you cover the petrol versions?
Yes, the 35i and 50i turbo petrol units are present with MSD81, MSD85 and MG1CS201 ECUs.
