Considering an ECU remap for your BMW 7 Series 740i 340hp? A Stage 1 remap can take this G11/G12 LCI - 2019 - 2022 petrol engine from 340 BHP to 400 BHP and from 450 Nm to 580 Nm of torque (naturally aspirated). This engine scores 5.5/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your BMW 7 Series can achieve.
The BMW 7 serie 740i 340hp is a 3.0L naturally aspirated petrol engine producing 340 BHP and 450 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 400 BHP and 580 Nm — a gain of around 60 BHP (18%) and 130 Nm (29%).
This engine has moderate remap suitability, with gains weighted towards torque — you will notice the difference most strongly in mid-range pulling power and in-gear acceleration. The tuning headroom is classified as high, based on the percentage gain available from the factory output.
From a technical perspective, 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: Naturally aspirated engine: gains are usually limited; results vary widely.. Unusually high gain for NA engine: treat as an estimate and verify against the exact engine variant.. High tuned torque: check transmission torque capacity and service history.. Large torque increase: drivetrain condition (clutch/gearbox) becomes more important at this level.
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 320hp | 320 → 400 | +80 | 680 → 800 | +120 | Good (7.5/10) |
| 740d 340hp | 340 → 380 | +40 | 700 → 750 | +50 | Limited (3.5/10) |
| 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.
