The BMW R75 is a World Battle II-era motorcycle and sidecar blend made by the German company BMW.
In the 1930s BMW were producing a volume of popular and highly effective motorcycles. In 1938 development of the R75 were only available in reaction to a request from the German Army.
Preproduction types of the R75 were powered by way of a 750 cc side valve engine, which was based on the R71 engine. Nonetheless it was quickly found necessary to design an all-new OHV 750 cc engine unit for the R75 device. This OHV engine motor later became the basis for subsequent post-war twin BMW engines like the R51/3, R67 and R68.
The 3rd side-car wheel was motivated with an axle linked to the trunk wheel of the motorcycle. These were fixed with a locking differential and selectable street and off-road products ratios through which all four 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 greatly utilized 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 upon standardization of parts for both machines, with a view of eventually creating a Z?ndapp-BMW hybrid (designated the BW 43), when a BMW 286/1 side-car would be grafted onto a Z?ndapp KS 750 motorcycle. In addition they agreed that the produce of the R75 would stop once production come to 20,200 devices, and from then on point BMW and Z?ndapp would only produce the Z?ndapp-BMW machine, making 20,000 each year.
Since the aim for of 20,200 BMW R75's had not been reached, it continued to be in production until the Eisenach stock was so terribly destroyed by Allied bombing that development ceased in 1944. A further 98 units were put together by the Soviets in 1946 as reparations.
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