Hans Glas GmbH is a former German automotive company, which was based in Dingolfing. Originally a maker of farm machinery, Glas evolved first into a producer of motor scooters, then automobiles. It was purchased by BMW in 1966, mainly to gain access to Glas's patents, they were the first to use a timing belt with an overhead camshaft in an automotive application,with its limited model range shortly phased out by its new parent.