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.