Jaguar XJ Custom ECU Remap

Information

Your Jaguar XJ can be professionally remapped at a time & location to suit you.
Our Power optimised ECU remap can boost BHP & torque by up to 35% (turbo diesels) & can still give you a noticeable fuel saving. The fuel efficient diesel remap can save up to 15% on your fuel costs.
The Benefits of our Professional ECU Remaps
★ Increased Horsepower
★ Increased Torque
★ Sharper Throttle Response
★ Faster Acceleration
★ Smoother Power Delivery
★ Eliminated Flat Spots
★ Improved Fuel Economy
★ Safer Overtaking
Please Check the Tabs Above for Tuning Options and Prices
The improvements are achieved by very careful matching of engine management parameters such as fuel delivery rates, boost pressure (turbocharged cars), spark ignition timing (petrol cars), pump timing (diesel cars) along with adjustments to various maps that electronically control your torque, throttle response & top speed. This information in your ECU calibration file is carefully optimised & then programmed back into your cars ECU. The car is then fully tested before allowing you to enjoy the increased efficiency & power output of your engine.
★ Please Note ★ The prices on our site are for mobile remaps & include travelling up to 30 miles from here in Doncaster.

Diesel Performance

Tuning data for a performance remap, suitable for a standard Turbo Diesel Jaguar Xj or with minor modifications such as performance air filters & exhausts. Please contact us for more details.

Petrol Performance

Tuning data for a performance petrol remap, suitable for a standard Petrol Turbo Jaguar Xj or with minor modifications such as performance air filters & exhausts. Please contact us for more details.