A V W, the Advanced Vehicle Workshop, the specialist for VW, Audi, SEAT, Skoda, BMW, Mercedes, Porsche, Volvo & Saab. Established in the Caernarfon area for over 35 years. AVW is part of the Bosch Car Service network of specialist service & repair workshops. The Trading Standards Institute has approved the code of practice we follow, which is run by Bosch Car Service. AVW is also a registered member of the Good Garage Scheme.