The BMW R75 is a global Warfare II-era motorcycle and sidecar blend made by the German company BMW.
Within the 1930s BMW were producing a amount of popular and highly effective motorcycles. In 1938 development of the R75 started in respond to a question from the German Army.
Preproduction models of the R75 were run by a 750 cc side valve engine, that was based on the R71 engine motor. However it was quickly found necessary to design an all-new OHV 750 cc engine motor for the R75 unit. This OHV engine later proved to be the foundation for succeeding post-war twin BMW engines like the R51/3, R67 and R68.
The third side-car wheel was influenced with an axle connected to the trunk wheel of the motorcycle. We were holding built in with a locking differential and selectable highway and off-road items ratios by which all and change gears functioned. This made the R75 highly manoeuvrable and capable 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 extensively used 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 after standardization of parts for both machines, with a view of eventually creating a Z?ndapp-BMW hybrid (chosen the BW 43), in which a BMW 286/1 side-car would be grafted onto a Z?ndapp KS 750 motorcycle. They also decided that the make of the R75 would cease once production reached 20,200 products, and after that 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 had not been reached, it remained in production before Eisenach manufacturing plant was so badly damaged by Allied bombing that production ceased in 1944. An additional 98 units were assembled by the Soviets in 1946 as reparations.
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