The BMW R71 is a motorcycle produced by the German company BMW from 1938 to 1941. It features a 750cc flat-twin engine, known for its reliability and smooth performance. The R71 was designed for both civilian and military use, showcasing a robust frame and a shaft drive system, which was innovative for its time. The R71 gained historical significance during World War II, as it was used by the German military. Its design influenced many subsequent models, including the popular BMW R75. Today, the R71 is considered a classic motorcycle, appreciated by collectors and enthusiasts for its engineering and historical value.