Can i get this done cheaper. Audi just quoted me £579 in Vat for the cam belt change....... I also need a full service @ £483, 4 new tyres, front pads and 2 new wipers. This is going to sting my pocket. does anyone know a good mechanic in Essex that can do the Cam Belt. Does it have to be done at Audi or does it not matter for this?