Engine ECU Remapping

Maximise your driving pleasure by gaining sharper throttle response and reduced turbo lag along with additional power and torque.

Gearbox TCU Remapping

Faster gear shifts, earlier transmission locking and relaxation of gearbox torque limiters to allow for a stronger engine tune.

Switchable Remapping

A range of handheld programmers. Switch between stock and multiple states of tune as many times as required.

ecu remapping files supplier

ECU Tuning File Supply

Join the JR Tuning dealer network today and start value adding your business with a range of ECU and TCU tuning solutions.

Who We Are

A team of Automative software developers

ecu remapping tuning files

JR Tuning is based in Kent, with our workshop located 15 minutes from Maidstone. We provide Engine ECU and Gearbox TCU remapping software developed in house to provide an improved driving experience through better throttle response combined with increased power, torque and in the case of automatic gearboxes, faster gear shift speeds along with an improved shift pattern.

Customer cars

A selection of our most recent projects