Welcome to Onyx Performance, your top destination for BMW, Volkswagen, and Audi tuning, and servicing experts. Located in Slough, just west of London, we specialise in advanced remapping services. Our skilled team is dedicated to custom ECU remapping and performance modifications, unlocking the full potential of your vehicle. At Onyx Performance, we boast a state-of-the-art 4WD Dyno, specifically designed to handle vehicles upto 1500hp.
https://onyxperformance.co.uk
