Considering an ECU remap for your Alfa Romeo 156 1.9 JTD 105hp? A Stage 1 remap can take this 1997 - 2003 diesel engine from 105 BHP to 140 BHP and from 255 Nm to 315 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 156 can achieve.
The Alfa Romeo 156 1.9 JTD 105hp is a 1.9L turbocharged diesel engine producing 105 BHP and 255 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 140 BHP and 315 Nm — a gain of around 35 BHP (33%) and 60 Nm (24%).
This engine scores highly for remap suitability, with gains weighted towards peak power — the improvement is most noticeable at higher RPM. 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 JTD 110hp | 110 → 140 | +30 | 275 → 330 | +55 | Good (7.5/10) |
| 1.9 JTD 115hp | 115 → 145 | +30 | 275 → 325 | +50 | Good (7.5/10) |
| 1.6i 120hp | 120 → 133 | +13 | 146 → 165 | +19 | Moderate (4.5/10) |
| 2.4 JTD 136hp | 136 → 170 | +34 | 310 → 380 | +70 | Good (7.5/10) |
| 1.9 JTD 136hp | 136 → 175 | +39 | 305 → 380 | +75 | Good (7.5/10) |
| 1.9 JTD 140hp | 140 → 175 | +35 | 305 → 380 | +75 | Good (7.5/10) |
| 1.8 T.Spark 16v 144hp | 144 → 154 | +10 | 169 → 184 | +15 | Moderate (4/10) |
| 1.9 JTD 150hp | 150 → 185 | +35 | 305 → 380 | +75 | Good (7.5/10) |
| 2.4 JTD 150hp | 150 → 185 | +35 | 304 → 385 | +81 | Good (7.5/10) |
| 2.5 V6 190hp | 190 → 200 | +10 | 220 → 240 | +20 | Moderate (4/10) |
| 3.2 V6 GTA 250hp | 250 → 270 | +20 | 300 → 320 | +20 | Moderate (4/10) |
Get a personalised remap quote for your Alfa Romeo 156. 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.
