Stage 1 complete. Great friendly service, communication from start to finish. Happy to answer any questions, didn't rush the job and made sure I was totally happy before I left. Car runs so much better – highly recommend Mark.



Custom Stage 1, Economy & Power ECU remaps – mobile engine tuning across Swansea, Cardiff & all South Wales.
Vehicle Statistics
Pick your vehicle below to see the projected power, torque and economy gains achievable with Elite ECUs ECU tuning.
Powered by our international tuning database – over 30,000 vehicles supported.
Recent Work
Stage 1 complete. Great friendly service, communication from start to finish. Happy to answer any questions, didn't rush the job and made sure I was totally happy before I left. Car runs so much better – highly recommend Mark.
Excellent service, couldn't be happier with the results. Custom Stage 1+ with EGR delete – the difference is unbelievable, it's a completely different car. Mark's knowledge is second to none. I've already recommended him to over 10 people.
Had my Mercedes remapped Stage 1 and AdBlue fault removed. Outstanding service and communication from start to finish. Work was done within an hour, professional throughout. Great improvement on performance – my Q7 is next!

About Elite ECUs
Our mobile ECU remaps around South Wales are proven time and time again to be reliable and effective. We can offer incredible gains in power and torque while believing in safe and sensible ECU tuning – that's why our customers return time and time again.
We offer a lifetime warranty against any software malfunctions; all original maps are backed up on a dedicated server allowing the vehicle to be reverted to the original format at any point in the future.
We provide mobile engine tuning all over South Wales, including remaps in Cardiff and Swansea.
All Manufacturers
From everyday family cars to performance machines, vans, 4×4s and trucks – we have proven, custom remap files for thousands of vehicles.
Tuning Options
Choose the remap that matches how you drive — from fuel-saving economy tunes to fully custom Stage 2+ calibrations for modified vehicles.
We are able to re-calibrate the ECU data to improve fuel efficiency. The increase in torque will allow less gear changes resulting in improved MPG and driveability. Economy Tuning is for Turbo Diesel vehicles only.
Designed for a standard and unmodified vehicle with no hardware upgrades. A Stage 1 Remap increases power and torque while also improving fuel efficiency. Removes flat spots and gives a more responsive drive without compromising reliability.
A bigger increase in power and torque than a Stage 1 Remap, efficiency will still improve but not as dramatically as a Stage 1 Tune. Often hardware upgrades are already present on the vehicle before a Power Remap.
Special 1 off tunes are also available to suit highly modified vehicles.
Why Elite ECUs
Top quality bespoke files made specifically for your vehicle – never generic.
If there's an issue with our work we reverse it and refund you, no quibbles.
Professional, reliable service delivered by experienced ECU specialists.
Part of a global remap network with access to proven tuning data.
Every remap is covered by a lifetime software warranty.
Premium tuning at honest, transparent prices – no hidden extras.
Cars, vans, 4×4s, bikes and trucks – diesel or petrol, turbo or non-turbo.
Suitable for turbocharged and naturally aspirated engines alike.
We come to your home or workplace, or visit our facility near Neath.
Weekend and evening appointments available by arrangement.
FAQ
Below are some questions and answers relating to remapping in South Wales. If you have any other questions please call us.
07974 007405Coverage
We are based near Neath in South Wales and cover a 30-mile radius for our mobile ECU tuning South Wales services. We can travel further afield by prior arrangement – please enquire.
We also have facilities in Glynneath, just off the A465, where vehicles can be brought to us for DPF services or any engine tuning required.
Get In Touch
Drop us a line for a free no-obligation quote, or call directly to book your slot.