Nash Mills Mot & Service Centre, a young, progressive and trusted Car Garage based in Nash Mills, Hemel Hempstead and. Providing MOT, Service and Repairs on all makes of cars, we are very well known. We specialise in repairs, service and MOT on all German Car Makes, such as Audi, BMW, Citreon, Ford, Jaguar, Land Rover, Mercedes, Nissan, Peugeot, Porsche, Range Rover, SEAT, Toyota, Vauxhall and VW/Volkswagen.