The BMW R75 is a global War II-era motorcycle and sidecar blend made by the German company BMW.
Inside the 1930s BMW were creating a volume of popular and impressive motorcycles. In 1938 development of the R75 started in reaction to a request from the German Military.
Preproduction models of the R75 were power with a 750 cc side valve engine, that was based on the R71 engine motor. However it was quickly found essential to design an all-new OHV 750 cc engine unit for the R75 device. This OHV engine unit later proved to be the foundation for succeeding post-war twin BMW engines like the R51/3, R67 and R68.
The 3rd side-car wheel was powered with an axle connected to the rear wheel of the motorcycle. They were equipped with a locking differential and selectable road and off-road gear ratios through which all and invert gears worked well. This made the R75 highly manoeuvrable and with the capacity of negotiating most surfaces. A few other motorcycle manufactures, like FN and Norton, provided an optional drive to sidecars.
The BMW R75 and its own competitor the Z?ndapp KS 750 were both broadly utilized by the Wehrmacht in Russia and North Africa, though after a period of analysis it became clear that the Z?ndapp was the superior machine. In August 1942 Z?ndapp and BMW, on the urging of the Army, agreed upon standardization of parts for both machines, with a view of eventually making a Z?ndapp-BMW hybrid (designated the BW 43), in which a BMW 286/1 side-car would be grafted onto a Z?ndapp KS 750 motorcycle. They also agreed that the produce of the R75 would cease once production reached 20,200 systems, and from then on point BMW and Z?ndapp would only produce the Z?ndapp-BMW machine, developing 20,000 every year.
Since the concentrate on of 20,200 BMW R75's was not reached, it remained in production until the Eisenach manufacturer was so terribly broken by Allied bombing that development ceased in 1944. An additional 98 models were put together by the Soviets in 1946 as reparations.
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