The BMW R75 is a World War II-era motorcycle and sidecar combo produced by the German company BMW.
In the 1930s BMW were producing a quantity of popular and impressive motorcycles. In 1938 development of the R75 were only available in response to a demand from the German Military.
Preproduction models of the R75 were driven by the 750 cc side valve engine, that was predicated on the R71 engine unit. However it was quickly found necessary to design an all-new OHV 750 cc engine motor for the R75 product. This OHV engine later proved to be the basis for succeeding post-war twin BMW engines like the R51/3, R67 and R68.
The third side-car wheel was driven with an axle linked to the trunk wheel of the motorcycle. We were holding fixed with a locking differential and selectable street and off-road equipment ratios through which all four and reverse gears worked well. This made the R75 highly manoeuvrable and capable of negotiating most surfaces. Additional 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 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 Military, agreed upon standardization of parts for both machines, with a view of eventually setting up 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. In addition they arranged that the manufacture of the R75 would cease once production come to 20,200 products, and from then on point BMW and Z?ndapp would only produce the Z?ndapp-BMW machine, processing 20,000 every year.
Since the aim for of 20,200 BMW R75's had not been reached, it continued to be in production until the Eisenach factory was so terribly broken by Allied bombing that development ceased in 1944. A further 98 devices were assembled by the Soviets in 1946 as reparations.
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