BMW
After the end of World War I in 1918, BMW was forced to cease aircraft engine production by the terms of the Versailles Armistice Treaty. To remain in business, BMW produced farm equipment, household items and railway brakes. In 1922, former major shareholder Camillo Castiglioni purchased the rights to the name BMW, which led to the company descended from Rapp Motorenwerke being renamed Süddeutsche Bremse AG (known today as Knorr-Bremse). Castiglioni was also an investor in another aircraft company, called "Bayerische Flugzeugwerke", which he renamed BMW.The disused factory of Bayerische Flugzeugwerke was re-opened to produce engines for buses, trucks, farm equipment and pumps, under the brand name BMW. BMW's corporate history considers the founding date of Bayerische Flugzeugwerke (7 March 1916) to be the birth of the company.
Camillo Castiglioni
Castiglioni significantly influenced the development of BMW AG in its early years. The granting of a license agreement by Austro-Daimler to the Rapp-Werke in 1917 was partly attributable to Castiglioni. 1918 At Castiglioni's insistence the Wiener Bankverein (Vienna) acquired the majority of BMW's share capital. 1922 Castiglioni purchased all the equipment relating to engine construction, the associated know-how and the rights to the name "Bayerische Motoren Werke AG" from the BMW AG, which was renamed Süddeutsche Bremse AG. Castiglioni in turn renamed the Bayerische Flugzeugwerke to BMW AG and allowed the renamed company to continue production at the BFW plant. From the establishment of BMW AG until November 9, 1922 and then from 1924 to 1929, he was a member of the Supervisory Board and President of BMW AG. 1928 Deputy Chairman of the Supervisory Board.