Considering an ECU remap for your Alfa Romeo 159 1.9 JTDm 120hp? A Stage 1 remap can take this 2005 -> diesel engine from 120 BHP to 145 BHP and from 280 Nm to 350 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 Alfa Romeo 159 can achieve.
The Alfa Romeo 159 1.9 JTDm 120hp is a 1.9L turbocharged diesel engine producing 120 BHP and 280 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 145 BHP and 350 Nm — a gain of around 25 BHP (21%) and 70 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 JTDm 115hp | 115 → 145 | +30 | 275 → 350 | +75 | Good (7.5/10) |
| 1.9 JTDm 136hp | 136 → 180 | +44 | 320 → 380 | +60 | Good (7.5/10) |
| 1.8 MPI 140hp | 140 → 154 | +14 | 163 → 184 | +21 | Moderate (4.5/10) |
| 2.0 JTDm 140hp | 140 → 180 | +40 | 350 → 420 | +70 | Good (7.5/10) |
| 1.9 JTDm 16V 150hp | 150 → 180 | +30 | 320 → 380 | +60 | Good (7/10) |
| 1.9 JTS 160hp | 160 → 170 | +10 | 190 → 205 | +15 | Moderate (4/10) |
| 2.0 JTDm 170hp | 170 → 200 | +30 | 360 → 425 | +65 | Good (6.5/10) |
| 2.2 JTS 185hp | 185 → 195 | +10 | 230 → 245 | +15 | Moderate (4/10) |
| 1.750 TBI 200hp | 200 → 240 | +40 | 320 → 385 | +65 | Good (7.5/10) |
| 2.4 JTD 200hp | 200 → 235 | +35 | 400 → 480 | +80 | Good (6.5/10) |
| 2.4 JTDm 20v Q4 210hp | 210 → 240 | +30 | 400 → 480 | +80 | Good (6.5/10) |
| 3.2 JTS V6 239hp | 239 → 260 | +21 | 300 → 325 | +25 | Moderate (4/10) |
Get a personalised remap quote for your Alfa Romeo 159. 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.
