Considering an ECU remap for your Volvo Trucks FM 12 420hp? A Stage 1 remap can take this 1e generatie diesel engine from 420 BHP to 500 BHP and from 2000 Nm to 2450 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 Volvo Trucks FM can achieve.
The Volvo Trucks FM 12 420hp is a naturally aspirated unknown fuel type engine producing 420 BHP and 2000 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 500 BHP and 2450 Nm — a gain of around 80 BHP (19%) and 450 Nm (22%).
This engine has moderate 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 high, based on the percentage gain available from the factory output.
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.
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 |
|---|---|---|---|---|---|
| 9 260hp |
| 260 → 350 |
| +90 |
| 1250 → 1600 |
| +350 |
| Good (6.5/10) |
| 9 300hp | 300 → 380 | +80 | 1400 → 1800 | +400 | Moderate (5.5/10) |
| 12 340hp | 340 → 430 | +90 | 1700 → 2200 | +500 | Moderate (5.5/10) |
| 9 340hp | 340 → 420 | +80 | 1600 → 1950 | +350 | Moderate (5.5/10) |
| 9 360hp | 360 → 450 | +90 | 1700 → 2050 | +350 | Moderate (5.5/10) |
| 13 360hp | 360 → 450 | +90 | 1800 → 2175 | +375 | Moderate (5.5/10) |
| 9 380hp | 380 → 470 | +90 | 1700 → 2050 | +350 | Moderate (5.5/10) |
| 12 380hp | 380 → 460 | +80 | 1850 → 2300 | +450 | Moderate (5.5/10) |
| 13 400hp | 400 → 475 | +75 | 2000 → 2375 | +375 | Moderate (5/10) |
| 13 440hp | 440 → 520 | +80 | 2200 → 2575 | +375 | Moderate (5/10) |
| 12 460hp | 460 → 550 | +90 | 2200 → 2650 | +450 | Moderate (5.5/10) |
| 13 480hp | 480 → 550 | +70 | 2400 → 2775 | +375 | Moderate (5/10) |
Get a personalised remap quote for your Volvo Trucks FM. 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.
