Considering an ECU remap for your BMW 6 Series 640i 320hp? A Stage 1 remap can take this F12/F13 - 2011 - 2016 petrol engine from 320 BHP to 365 BHP and from 450 Nm to 520 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 320hp is a 3.0L naturally aspirated petrol engine producing 320 BHP and 450 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 365 BHP and 520 Nm — a gain of around 45 BHP (14%) and 70 Nm (16%).
This engine has limited 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 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 |
|---|---|---|---|---|---|
| 640D 313hp |
| 313 → 365 |
| +52 |
| 630 → 730 |
| +100 |
| Good (7/10) |
| 650i 407hp | 407 → 470 | +63 | 600 → 700 | +100 | Moderate (5/10) |
| 650i Valvetronic 449hp | 449 → 540 | +91 | 650 → 780 | +130 | Moderate (5.5/10) |
| M6 V8 Bi-turbo 560hp | 560 → 680 | +120 | 680 → 850 | +170 | Good (7.5/10) |
| M6 V8 Competition Bi-turbo 600hp | 600 → 680 | +80 | 700 → 850 | +150 | Good (6.5/10) |
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.
