The BMW R75 is a World Warfare II-era motorcycle and sidecar blend made by the German company BMW.
In the 1930s BMW were creating a variety of popular and impressive motorcycles. In 1938 development of the R75 were only available in response to a question from the German Military.
Preproduction models of the R75 were driven by way of a 750 cc side valve engine, that was predicated on the R71 engine motor. However it was quickly found essential to design an all-new OHV 750 cc engine unit for the R75 unit. 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. These were installed with a locking differential and selectable road and off-road products ratios through which all four and change gears performed. This made the R75 highly manoeuvrable and capable of negotiating most areas. A few other motorcycle manufactures, like FN and Norton, provided an optional drive to sidecars.
The BMW R75 and its competitor the Z?ndapp KS 750 were both generally employed 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), when 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 come to 20,200 items, and after that point BMW and Z?ndapp would only produce the Z?ndapp-BMW machine, developing 20,000 each year.
Since the focus on of 20,200 BMW R75's was not reached, it continued to be in production until the Eisenach factory was so terribly destroyed 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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