Considering an ECU remap for your BMW 7 Series 740d 320hp? A Stage 1 remap can take this G11/G12 LCI - 2019 - 2022 diesel engine from 320 BHP to 400 BHP and from 680 Nm to 800 Nm of torque (turbocharged). This engine scores 7.5/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your BMW 7 Series can achieve.
Comparisons are calculated from our own recorded Stage 1 figures.
The BMW 7 serie 740d 320hp is a 3.0L turbocharged diesel engine producing 320 BHP and 680 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 400 BHP and 800 Nm — a gain of around 80 BHP (25%) and 120 Nm (18%).
This engine scores highly for remap suitability, with gains weighted towards peak power — the improvement is most noticeable at higher RPM. The tuning headroom is classified as high, 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 8-speed automatic (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.
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 |
|---|
| 730d 265hp | 265 → 310 | +45 | 620 → 700 | +80 | Good (6.5/10) |
| 730d 286hp | 286 → 330 | +44 | 650 → 720 | +70 | Moderate (4.5/10) |
| 740d 340hp | 340 → 380 | +40 | 700 → 750 | +50 | Limited (3.5/10) |
| 740i 340hp | 340 → 400 | +60 | 450 → 580 | +130 | Moderate (5.5/10) |
| 745e 394hp | 394 → 500 | +106 | 600 → 800 | +200 | Good (6.5/10) |
| 750d 400hp | 400 → 465 | +65 | 760 → 870 | +110 | Good (7/10) |
| 750i 530hp | 530 → 650 | +120 | 750 → 880 | +130 | Moderate (5/10) |
| M760i 585hp | 585 → 700 | +115 | 850 → 1000 | +150 | Moderate (5/10) |
Get a personalised remap quote for your BMW 7 Series. 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.
