Considering an ECU remap for your Saab 45903 1.9 TiD 150hp? A Stage 1 remap can take this 2002 - 2007 diesel engine from 150 BHP to 190 BHP and from 320 Nm to 400 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 Saab 45903 can achieve.
Comparisons are calculated from our own recorded Stage 1 figures.
The Saab 45903 1.9 TiD 150hp is a 1.9L turbocharged diesel engine producing 150 BHP and 320 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 190 BHP and 400 Nm — a gain of around 40 BHP (27%) and 80 Nm (25%).
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: 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 TiD 120hp | 120 → 150 | +30 | 280 → 340 | +60 | Good (7.5/10) |
| 1.8 Turbo 150hp | 150 → 200 | +50 | 240 → 300 | +60 | Good (7.5/10) |
| 2.0 Turbo 175hp | 175 → 215 | +40 | 265 → 320 | +55 | Good (7.5/10) |
| 2.0 Turbo 185hp | 185 → 215 | +30 | 263 → 315 | +52 | Good (7/10) |
| 2.0 Turbo 210hp | 210 → 235 | +25 | 300 → 350 | +50 | Good (6.5/10) |
| 2.8 V6 Turbo 250hp | 250 → 290 | +40 | 350 → 420 | +70 | Good (6.5/10) |
Get a personalised remap quote for your Saab 45903. 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.
