ECU Remapping – SM Tuning

Get the best from your vehicle with our specialist tuning services. Increase your vehicle’s performance and driveability today.


ECU Remapping

We are at the forefront of our industry when it comes to ECU remapping. We bespoke design all our own software in house to help us stay at the top of the game.

Mercedes C43 AMG Tuning Essex

Nationwide Mobile Remapping

Our mobile remapping service gives you the greatest convenience. We are fully equipped to tune your vehicle in the comfort of your home or workplace.

Jaguar XKR Tuning

Get In Touch

We’d love to hear from you. If you want to get in touch and discuss your requirements we are happy to help.

  • 5 star review  Had Sean remap my mini one and he did a great job - was on-time and always informed me of what he was doing. He knows his stuff and would recommend to anyone looking to get their car remapped 🙂

    thumb Marco Walalangi
    April 25, 2022

    5 star review  Service: Check engine light diagnostic Positive: Professionalism ,  Punctuality ,  Quality ,  Value

    thumb Josh Weal
    May 15, 2021

    5 star review  Positive: Professionalism Sean came to remap my zafira gsi. He's knows his stuff and is very professional. Would definitely use again and highly recomend.

    thumb Dan Watkins
    May 15, 2021
  • 5 star review  Sean sm tuning came to map my astra coupe turbo, very friendly and knowledgeable guy excellent service ,car now feels better than ever recommend this guy 100 %

    thumb Keith Jackson
    May 26, 2021

    5 star review  Very pleased with the service I received today from Sean Professional polite Stuck to the covid rules and regulations. Very Pleased with the difference in performance. I Would definitely recommend using Sean. Thanks once again Sean!

    thumb Smart Things
    June 15, 2021

    5 star review  So pleased with the service received. Very friendly and carried out in a totally professional manner. Sean explanded the process and all that was involved in mapping my ford ranger 3.2 wildtrak. I can honestly say that the truck drives better than it did when it was new. Thanks very much Sean.

    thumb Stephen beadle
    August 18, 2021
  • 5 star review  Sean knows his stuff. Tuned my friends Astra H VXR and the difference is amazing. Car drives so much more aggressively now. Top quality job.

    thumb Al-Fida Miah
    November 17, 2021

    5 star review  Very pleased indeed Sean was very professional remapped my Vauxhall vivaro at my work place will definitely use his services again and highly recommend him 👍

    thumb Mark hewitt
    July 15, 2021

    5 star review  I have used sm tuning several times and can't fault the service. Sean is very professional and knowledgeable and an all round nice bloke. Will definitely use again.

    thumb Chris Drake
    May 15, 2021

Vehicles Tuned

Years Experience

5 Star Reviews

Authorised Dealers

About us

Our business was founded in 2013 by current owner and car enthusiast Sean McGarry. We focus our efforts on ECU Remapping and strive to provide the best and most comprehensive service available. Our initial roots began back in 2010 when Sean started tuning vehicles as a hobby. Since then SM Tuning has grown from strength to strength, tuning over 10,000 vehicles directly and for our global dealer network. We have a UK nationwide mobile tuning service and a nationwide dealer network. Our vast array of tuning tools gives us great scope and ability to support most makes and models of vehicle on the market today. This can range from cars, bikes, vans, trucks etc. Our reviews echo our 5 star services we offer. Get in touch today to see how we can help you!

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Limited Time Special Offer: Discount Off Remapping!

Limited Time Special Offer: Discount Off Remapping!

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