Considering an ECU remap for your BMW 6 Series 640i 360hp? A Stage 1 remap can take this G3x - 2017 -> petrol engine from 360 BHP to 400 BHP and from 500 Nm to 580 Nm of torque (naturally aspirated). This engine scores 4.5/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your BMW 6 Series can achieve.
The BMW 6 serie 640i 360hp is a 3.0L naturally aspirated petrol engine producing 360 BHP and 500 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 400 BHP and 580 Nm — a gain of around 40 BHP (11%) and 80 Nm (16%).
This engine has limited 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 moderate, 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.. High tuned torque: check transmission torque capacity and service history.
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 |
|---|---|---|---|---|---|
| 620D 190hp |
| 190 → 220 |
| +30 |
| 400 → 440 |
| +40 |
| Good (6.5/10) |
| 630i 258hp | 258 → 310 | +52 | 400 → 470 | +70 | Moderate (5/10) |
| 630D 265hp | 265 → 310 | +45 | 620 → 720 | +100 | Good (7/10) |
| 640D 320hp | 320 → 400 | +80 | 680 → 800 | +120 | Good (7.5/10) |
| 640i 340hp | 340 → 400 | +60 | 450 → 580 | +130 | Moderate (5.5/10) |
Get a personalised remap quote for your BMW 6 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.
