The BMW R75 is a World Conflict II-era motorcycle and sidecar combo produced by the German company BMW.
In the 1930s BMW were producing a amount of popular and highly effective motorcycles. In 1938 development of the R75 were only available in reaction to a submission from the German Army.
Preproduction types of the R75 were run with a 750 cc part valve engine, that was predicated on the R71 engine unit. Nonetheless it was quickly found necessary to design an all-new OHV 750 cc engine unit for the R75 unit. This OHV engine motor later proved to be the basis for following post-war twin BMW engines like the R51/3, R67 and R68.
The 3rd side-car wheel was driven with an axle connected to the rear wheel of the motorcycle. They were built in with a locking differential and selectable street and off-road gear ratios by which all and invert gears worked well. 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 rival the Z?ndapp KS 750 were both widely used by the Wehrmacht in Russia and North Africa, though over time of evaluation it became clear that the Z?ndapp was the superior machine. In August 1942 Z?ndapp and BMW, on the urging of the Military, agreed after standardization of parts for both machines, with a view of eventually making a Z?ndapp-BMW hybrid (specified the BW 43), when a BMW 286/1 side-car would be grafted onto a Z?ndapp KS 750 motorcycle. They also decided that the manufacture of the R75 would cease once production reached 20,200 devices, and from then on point BMW and Z?ndapp would only produce the Z?ndapp-BMW machine, manufacturing 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 destroyed by Allied bombing that production ceased in 1944. A further 98 items were put together by the Soviets in 1946 as reparations.
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