Expected gains of +34 BHP and +80 Nm torque
Get Your Free Quote ↓Considering an ECU remap for your Nissan Primastar 2.5 DCi 115hp? A Stage 1 remap can take this 2002 - 2006 diesel engine from 115 BHP to 149 BHP and from 290 Nm to 370 Nm of torque (turbocharged). This engine scores 7.5/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your Nissan Primastar can achieve.
Comparisons are calculated from our own recorded Stage 1 figures.
The Nissan Primastar 2.5 DCi 115hp is a 2.5L turbocharged diesel engine producing 115 BHP and 290 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 149 BHP and 370 Nm — a gain of around 34 BHP (30%) and 80 Nm (28%).
This engine scores highly for 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: Large torque increase: drivetrain condition (clutch/gearbox) becomes more important at this level.. Older diesel: injector, turbo and intake condition can affect results; ensure maintenance is up to date.
Fuel economy note: possible improvement with conservative driving.
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 |
|---|---|---|---|---|---|
| 1.9 DCi 82hp | 82 → 110 | +28 | 190 → 240 | +50 | Excellent (8/10) |
| 2.0 DCi 90hp | 90 → 145 | +55 | 240 → 350 | +110 | Excellent (8/10) |
| 1.9 DCi 100hp | 100 → 130 | +30 | 240 → 300 | +60 | Good (7.5/10) |
| 2.0 DCi 115hp | 115 → 145 | +30 | 290 → 350 | +60 | Good (7.5/10) |
| 2.5 DCi 145hp | 145 → 165 | +20 | 320 → 400 | +80 | Good (7/10) |
Get a personalised remap quote for your Nissan Primastar. 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.