Welcome to SM Tuning!

We are a mobile ECU Remapping remapping specialist based in Berkshire. We cover the whole of the UK either directly or via our dealer network. We can come to your home or workplace and carry out fully custom remapping exactly as you wish. We use industry leading hardware and software so that we can provide the best service possible. We specialise in Vauxhall’s writing our own software in house, We also do other makes and models too and work together with some of the leading tuners in europe.