Considering an ECU remap for your BMW 6 Series 630i 258hp? A Stage 1 remap can take this E63 - 2004 - 2010 petrol engine from 258 BHP to 284 BHP and from 300 Nm to 330 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 630i 258hp is a 3.0L naturally aspirated petrol engine producing 258 BHP and 300 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 284 BHP and 330 Nm — a gain of around 26 BHP (10%) and 30 Nm (10%).
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 5/6-speed automatics (where fitted); manuals also exist..
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 |
|---|---|---|---|---|---|
| 630i 272hp | 272 → 285 | +13 | 300 → 330 | +30 | Moderate (4/10) |
| 635D 286hp | 286 → 332 | +46 | 580 → 685 | +105 | Good (6.5/10) |
| 635D 306hp | 306 → 340 | +34 | 600 → 680 | +80 | Good (6/10) |
| 645ci 333hp | 333 → 355 | +22 | 450 → 480 | +30 | Limited (3.5/10) |
| 650ci 367hp | 367 → 390 | +23 | 490 → 525 | +35 | Limited (3.5/10) |
| M6 5.0 V10 - 507hp | 507 → 530 | +23 | 537 → 560 | +23 | Limited (3/10) |
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.
