Jaguar XJ 2003 - 2009 4.2 V8 SC 400hp

ECU tuning files for the Jaguar XJ 2003 - 2009 4.2 V8 SC 400hp are written and tested by professional calibrators. Each chiptuning file (Stage 1, Stage 2 and additional services like DPF OFF, EGR OFF and AdBlue removal) is programmed using the latest software and validated through years of remapping experience on the Jaguar XJ platform.

Bee Chiptuning specializes in custom ECU remapping for Jaguar vehicles. Every tuning file we deliver is designed for the best performance gains with a real safe margin remap that respects the limits of your hardware. Whether you want more horsepower, more torque, improved throttle response or better fuel economy, our dyno-tested calibrations deliver consistent and repeatable results on the 4.2 V8 SC 400hp.