Mobile ECU Remapping & Gearbox Tuning in North Somerset & South Wales


MTechTuning provides professional mobile ECU remapping, gearbox tuning and vehicle performance services across North Somerset, South Wales and the surrounding areas. We specialise in BMW vehicles but also cover a wide range of other manufacturers, including Audi, VW and performance petrol and diesel models, delivering reliable and safe tuning using dealer-level diagnostics.


At MTechTuning, we are your trusted partner in maximising your vehicle’s performance and efficiency through professional remapping. Based in North Somerset and South Wales, and covering areas including Bristol, Weston-super-Mare, Chepstow, Cardiff and Newport, we offer a wide range of specialised services including mobile remapping, ECU Remapping, Gearbox Remapping, diagnostic health checks and performance solutions such as DPF, EGR, AdBlue and decat options.


We also provide a wide range of additional performance options, which you can view via our services pages. We work closely with NeosBeemers, making us a go-to destination for BMW performance hardware installations and exhaust modifications.


Serving North Somerset and South Wales, our experienced team is dedicated to unlocking the true potential of your vehicle while maintaining reliability, drivability and long-term engine safety, ensuring an improved and more responsive driving experience every time you get behind the wheel.

Mobile Remapping

We can come to you wherever you are in North Somerset or South Wales for ultimate performance and convenience!

ECU and Gearbox Remaps

We are able to remap your car to provide better performance and also economy, this will increase performance and save you money at the pump.

Additional Options

We offer a range of comprehensive services and solutions to make your vehicle unique & increase the performance or better the reliability.

August 19, 2026
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August 13, 2026
BMW MG1 & MD1 ECU Unlocks Now Available On-Site
July 23, 2026
Our latest Ford Mondeo Stage 2 remap transformed this diesel performance saloon, delivering substantial gains in power, torque and drivability while maintaining smooth, OEM-like refinement. Professionally developed and extensively tested, our calibrations are designed to maximise performance without compromising reliability when supporting hardware is fitted. Performance Results Engine: Ford Mondeo Stock: 200 hp / 420 Nm Stage 2: 245 hp / 500 Nm Increase: +45 hp / +80 Nm The additional power is immediately noticeable, but it's the significant increase in torque that completely changes the driving experience. Expect stronger acceleration throughout the rev range, improved in-gear performance, effortless motorway overtaking and a far more responsive throttle. Whether used for daily commuting, long-distance motorway driving or spirited weekend journeys, the vehicle feels considerably more capable and enjoyable to drive. What's Included? This vehicle received our professionally developed Stage 2 ECU calibration, alongside the following software options: Stage 2 ECU performance calibration DPF software solution EGR software solution Speed limiter removal Every calibration is developed to deliver the optimum balance between performance, drivability and long-term reliability. This is not a generic file or one-size-fits-all map—it is a professionally engineered calibration developed specifically for the engine and ECU fitted to the vehicle. Advanced Dealer-Level Diagnostics Included Every vehicle is subjected to comprehensive dealer-level diagnostics before and after programming. This allows us to identify any existing faults before calibration and verify that all vehicle systems are operating correctly once programming has been completed, giving complete confidence in the finished result. Fully Mobile Ford Mondeo Remapping Unlike many tuning companies, MTechTuning is fully mobile . We travel directly to your home or workplace throughout our service area, allowing your vehicle to be professionally calibrated without the inconvenience of travelling to a workshop. Most installations are completed on-site, providing a convenient, professional and hassle-free experience from start to finish. Why Choose MTechTuning? Choosing the right tuning company is just as important as choosing the calibration itself. Every vehicle we work on receives the same attention to detail and professional approach. Professionally developed ECU calibrations Advanced dealer-level diagnostics included Original ECU software securely backed up where supported Fully mobile service at your home or workplace Smooth OEM+ driving characteristics Safe, reliable and thoroughly tested calibrations Honest advice and professional aftercare 0% finance options available Is a Stage 2 Remap Right for Your Ford Mondeo? A Stage 2 remap is designed for vehicles fitted with the appropriate supporting modifications. When correctly prepared, a Stage 2 calibration unlocks the full potential of the engine, delivering significant improvements in performance while retaining excellent everyday drivability. If you're unsure whether your Mondeo is suitable, we're happy to advise on the recommended hardware and the best tuning package for your vehicle. MTechTuning provides professional mobile ECU remapping backed by extensive testing, dealer-level diagnostics and a commitment to delivering reliable, OEM-quality results. Use our Instant BHP Checker on our website to see the expected performance gains for your vehicle, or get in touch today to discuss the ideal tuning package for your Ford Mondeo.

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