Rapp Motorenwerke GmbH was a German aircraft engine manufacturer based in Munich, Bavaria. Founded in 1913, the firm changed its name in 1917 to Bayerische Motoren Werke GmbH. The company later became
Share certificate with the BMW logo showing the change of name from Bayerische Motoren Werke to Süddeutsche Bremsen in 1922
The Rapp 100 hp was a four-cylinder, SOHC valvetrain liquid-cooled inline aircraft engine built by Rapp Motorenwerke. The engine originated from Karl Rapp's earlier 90 hp four-cylinder that he had des
Flugwerk Deutschland engine of 1912, from which the Rapp 100 hp was derived.