Considering an ECU remap for your BMW X6 4.0D 306hp? A Stage 1 remap can take this E71 - 2008 - 2014 diesel engine from 306 BHP to 350 BHP and from 600 Nm to 680 Nm of torque (turbocharged). This engine scores 6/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your BMW X6 can achieve.
Comparisons are calculated from our own recorded Stage 1 figures.
The BMW X6 4.0D 306hp is a 3.0L turbocharged diesel engine producing 306 BHP and 600 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 350 BHP and 680 Nm — a gain of around 44 BHP (14%) and 80 Nm (13%).
This engine has moderate remap suitability, with a balanced spread of gains across both power and torque — providing a noticeable improvement across the rev range. The tuning headroom is classified as moderate, based on the percentage gain available from the factory output.
From a technical perspective, the ECU is typically a Bosch EDC17 (likely), and the transmission is many variants use zf 5/6-speed automatics (where fitted); manuals also exist. at this torque level, transmission and driveline servicing history becomes especially important..
Considerations: High tuned torque: check transmission torque capacity and service history.. Older diesel: injector, turbo and intake condition can affect results; ensure maintenance is up to date.
Fuel economy note: possible improvement with conservative driving.
All figures shown are typical estimates based on aggregated Stage 1 data for this engine variant. Actual results depend on vehicle condition, mileage, and the chosen tuning method. We recommend discussing your specific vehicle with a qualified remap professional.
| Engine | BHP | Gain | Torque | Gain | Score |
|---|---|---|---|---|---|
| 3.0D 211hp | 211 → 280 | +69 | 520 → 600 | +80 | Good (7.5/10) |
| 3.0D 235hp | 235 → 300 | +65 | 520 → 620 | +100 | Good (7.5/10) |
| 3.0D 245hp | 245 → 300 | +55 | 520 → 620 | +100 | Good (7.5/10) |
| 3.5D 286hp | 286 → 340 | +54 | 580 → 680 | +100 | Good (6.5/10) |
| 3.5i 306hp | 306 → 370 | +64 | 400 → 520 | +120 | Moderate (5.5/10) |
| M 5.0D 381hp | 381 → 420 | +39 | 740 → 800 | +60 | Moderate (5.5/10) |
| 5.0i 407hp | 407 → 470 | +63 | 600 → 700 | +100 | Moderate (5/10) |
| 5.0i ActiveHybrid 486hp | 486 → 530 | +44 | 780 → 860 | +80 | Limited (3.5/10) |
| M 555hp | 555 → 610 | +55 | 680 → 800 | +120 | Moderate (4.5/10) |
Get a personalised remap quote for your BMW X6. We'll connect you with a trusted professional in your area.
All figures shown are typical estimates based on aggregated Stage 1 data for this engine variant. Actual results depend on vehicle condition, mileage, and the chosen tuning method.
We recommend discussing your specific vehicle with a qualified remap professional before proceeding.
