ECU tuning files for Jaguar XJ developed on the most advanced tuning equipment by engineers with decades of experience.
Our Jaguar XJ ECU tuning files are designed to provide top performance while preserving safety and reliability.
We have tuned numerous Jaguar XJ vehicles and we have all kinds of ECU files, DAMOS supermappacks and anything else you might need. Click on the one of the options below and proceed to the required information.