The BMW R75 is a World Warfare II-era motorcycle and sidecar blend produced by the German company BMW.
Within the 1930s BMW were producing a number of popular and highly effective motorcycles. In 1938 development of the R75 were only available in respond to a demand from the German Military.
Preproduction models of the R75 were powered with a 750 cc part valve engine, that was based on the R71 engine. Nonetheless it was quickly found essential to design an all-new OHV 750 cc engine unit for the R75 device. This OHV engine motor later became the basis for succeeding post-war twin BMW engines like the R51/3, R67 and R68.
The third side-car wheel was motivated with an axle linked to the trunk wheel of the motorcycle. They were built in with a locking differential and selectable street and off-road items ratios through which all and change gears did the trick. 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 rival the Z?ndapp KS 750 were both widely employed by the Wehrmacht in Russia and North Africa, though after a period 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 Army, agreed upon standardization of parts for both machines, with a view of eventually creating a Z?ndapp-BMW hybrid (selected 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 production of the R75 would cease once production come to 20,200 items, and after that point BMW and Z?ndapp would only produce the Z?ndapp-BMW machine, making 20,000 every year.
Since the concentrate on of 20,200 BMW R75's was not reached, it remained in production until the Eisenach manufacturing plant was so terribly damaged by Allied bombing that creation ceased in 1944. An additional 98 systems were built by the Soviets in 1946 as reparations.
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