After attending grammar school, the son of a shipyard owner completed an apprenticeship as an automobile salesman at the Brennabor works in Brandenburg an der Havel . In 1937 he began selling the Auto Union brands DKW , Wanderer and Horch in Potsdam, and later also in Berlin-Steglitz . In addition, Müller was active in racing. In 1938/39 he successfully took part in the Monte Carlo Rally with a DKW master class . During the Second World War he produced wood gas generators for passenger cars. At the end of the war he fled to Velpke near Helmstedt . In the period from 1946 to 1949, he designed a total of six racing cars with which he was able to become German champions in 1948 and 1949. In addition, in 1949 he won the Maschseerennen , the only car race that ever took place in Hanover. In 1950 he set up a car dealership in Hanover. At the beginning of the 1950s, he set a total of 8 world records and 22 national bests with VW and Porsche . Between 1952 and 1954 he took part in the Monte Carlo Rally and the Liège – Rome – Liège long-distance drive and in 1952 and 1953 in the Le Mans 24-hour race . In 1972 he won the team award for the best team in Monte Carlo. Müller died at the age of 90.