BMW became an automobile manufacturer in 1928 when it purchased Fahrzeugfabrik Eisenach, which, at the time, built Austin Sevens under licence under the Dixi marque.^[6] The first car sold as a BMW was a rebadged Dixi called the BMW 3/15, following BMW’s acquisition of the car manufacturer Automobilwerk Eisenach. Throughout the 1930s, BMW expanded its range into sports cars and larger luxury cars.

Aircraft engines, motorcycles, and automobiles would be BMW’s main products until World War II. During the war, BMW concentrated on aircraft engine production using as many as 40,000 slave laborers.^[7] These consisted primarily of prisoners from concentration camps, most prominently Dachau. Motorcycles remained as a side-line and automobile manufacture ceased altogether.

BMW’s factories were heavily bombed during the war and its remaining West German facilities were banned from producing motor vehicles or aircraft after the war. Again, the company survived by making pots, pans, and bicycles. In 1948, BMW restarted motorcycle production. BMW resumed car production in Bavaria in 1952 with the BMW 501 luxury saloon. The range of cars was expanded in 1955, through the production of the cheaper Isetta microcar under licence. Slow sales of luxury cars and small profit margins from microcars meant BMW was in serious financial trouble and in 1959 the company was nearly taken over by rival Daimler-Benz.