Bespoke Engine & Gearbox Remapping

In-house software development and testing. Stage 1 to Stage 3 tuning for performance, economy, or both, tailored to your exact requirements.

ECU Remapping Kent
Stage 1-3Performance Tuning
£245Starting From
14 DayMoney Back Guarantee
LifetimeSoftware Warranty

What We Offer

Professional Remapping Services

Engine ECU Remapping
Engine ECU Remapping

Remap your Engine ECU and maximise driving pleasure by gaining sharper throttle response and reduced turbo lag along with additional power and torque.

Gearbox TCU Remapping
Gearbox TCU Remapping

Remap your Gearbox TCU to achieve faster gear shifts, earlier transmission locking and relaxation of gearbox torque limiters to allow for a stronger engine remap.

Switchable Remapping
Switchable Remapping

A range of handheld OBD remap programmers. Switch between stock software and multiple remap stages tailored to your vehicle as many times as required.

ECU Tuning File Supply
ECU Tuning File Supply

Value add your business with a range of ECU and TCU remapping solutions, whilst leaning on our experience and technical support.

JR Tuning Workshop

Who We Are

A team of automotive software developers

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 and torque.

About Us

Recent Work

Customer Cars

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Cupra Ateca R
Cupra Ateca R
+46hp & +82Nm
BMW M240i
BMW M240i
+68hp & +56Nm
Range Rover Sport
Range Rover Sport
+65hp & +86Nm
Jeep Grand Cherokee
Jeep Grand Cherokee
+36hp & +104Nm