Specialists In Improving Your Vehicle

Get the best from your vehicle with our specialist tuning services. ECU Remapping will transform your vehicle's driveability and performance.
ECU Remapping

Mobile Tuning Service

Rolling Road Tuning

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Corsa VXR

  • “I used Sean previously to tune my Corsa VXR after being forged & rebuilt, this time he came back to take me to Stage 3. As always he offers a top notch service, with immense knowledge. I would not go anywhere else!”
    Nick - Swindon, UK

Zafira GSi

  • Used Sean twice now the guy knows his stuff. Very profession. Shall be using him again in the future!
    Dan Watkins - Yorkshire, UK

Octavia vRS

  • Previously done my Astra GSi and Insignia (both still perfect 2 years later) and now hes done my Octavia vRS and what a difference, not just power but the smoothness of the engine is awesome!
    Daniel Row - West Midlands, UK

SM Tuning was founded in 2013 by current owner Sean McGarry. We are primarily an ECU Remapping specialist based in Berkshire. Having started in the industry back in 2010, SM Tuning was born in 2013. Since then we have tuned over 5,000 vehicles directly and for our dealers. We have a nationwide service covering the whole of the country, with rolling road facilities based in Stevenage. Our wide range of tuning tools support most makes and models of vehicle on the market today. We pride ourselves on offering a first class service. 

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