Alfa Romeo 159 1.9 JTDm 16V 150hp Remap

The Alfa Romeo 159 1.9 JTDm 16V 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 180 BHP and 380 Nm — a gain of around 30 BHP (20%) and 60 Nm (19%).

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 moderate, 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.