Considering an ECU remap for your BMW 7 Series 735i 238hp? A Stage 1 remap can take this E38 - 1995 - 2001 petrol engine from 238 BHP to 253 BHP and from 345 Nm to 372 Nm of torque (naturally aspirated). This engine scores 4/10 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 735i 238hp is a 3.5L naturally aspirated petrol engine producing 238 BHP and 345 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 253 BHP and 372 Nm — a gain of around 15 BHP (6%) and 27 Nm (8%).
This engine has limited remap suitability, though the available headroom is limited, so gains are modest compared to higher-output variants. The tuning headroom is classified as limited, based on the percentage gain available from the factory output.
Considerations: Naturally aspirated engine: gains are usually limited; results vary widely.
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 |
|---|
| 725 TDS 143hp | 143 → 175 | +32 | 280 → 345 | +65 | Good (7.5/10) |
| 730D 184hp | 184 → 212 | +28 | 390 → 450 | +60 | Good (6.5/10) |
| 730D 193hp | 193 → 221 | +28 | 410 → 480 | +70 | Good (6.5/10) |
| 728i 193hp | 193 → 204 | +11 | 280 → 300 | +20 | Moderate (4/10) |
| 730i 218hp | 218 → 241 | +23 | 290 → 323 | +33 | Moderate (4.5/10) |
| 740D 245hp | 245 → 274 | +29 | 560 → 630 | +70 | Good (6/10) |
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.
