The BMW R75 is a World Battle II-era motorcycle and sidecar combination made by the German company BMW.
In the 1930s BMW were producing a range of popular and impressive motorcycles. In 1938 development of the R75 were only available in respond to a demand from the German Army.
Preproduction types of the R75 were power by way of a 750 cc area valve engine, that was predicated on the R71 engine. 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 became the foundation for following post-war twin BMW engines like the R51/3, R67 and R68.
The 3rd side-car wheel was powered with an axle linked to the trunk wheel of the motorcycle. These were fixed with a locking differential and selectable road and off-road equipment ratios by which all and reverse gears worked well. This made the R75 highly manoeuvrable and with the capacity of negotiating most areas. 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 generally utilized 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 Military, agreed after standardization of parts for both machines, with a view of eventually making 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 manufacture of the R75 would stop once production reached 20,200 units, 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 before Eisenach factory was so badly ruined by Allied bombing that development ceased in 1944. A further 98 systems were put together by the Soviets in 1946 as reparations.
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