S-Type and XJ 2.7D Performance Engine Map

Our engine re-map for the S-Type and XJ 2.7D boosts the engine’s power to 251 bhp whilst bringing an increase in fuel efficiency of up to 3mpg depending on driving conditions. These headline figures are also combined with a significant improvement in mid range torque, driveability, low rev performance and part throttle response. The map is flashed straight into your vehicle’s engine ECU by our engineers and can take up to an hour at a location of your choice anywhere in the UK.