The BMW R75 is a World War II-era motorcycle and sidecar mixture made by the German company BMW.
Inside the 1930s BMW were creating a number of popular and impressive motorcycles. In 1938 development of the R75 were only available in response to a demand from the German Army.
Preproduction models of the R75 were run by way of a 750 cc part valve engine, which was predicated on the R71 engine motor. However it was quickly found necessary to design an all-new OHV 750 cc engine motor for the R75 product. This OHV engine unit later proved to be the foundation for subsequent 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 rear wheel of the motorcycle. They were built in with a locking differential and selectable road and off-road products ratios by which all four and reverse gears worked. This made the R75 highly manoeuvrable and with the capacity of negotiating most floors. Additional motorcycle manufactures, like FN and Norton, provided an optional drive to sidecars.
The BMW R75 and its own competitor the Z?ndapp KS 750 were both generally employed by the Wehrmacht in Russia and North Africa, though over time 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 after standardization of parts for both machines, with a view of eventually creating a Z?ndapp-BMW hybrid (specified the BW 43), in which a BMW 286/1 side-car would be grafted onto a Z?ndapp KS 750 motorcycle. In addition they arranged that the production of the R75 would stop once production reached 20,200 products, and after that point BMW and Z?ndapp would only produce the Z?ndapp-BMW machine, processing 20,000 every year.
Since the goal of 20,200 BMW R75's was not reached, it continued to be in production until the Eisenach manufacturer was so badly destroyed by Allied bombing that production ceased in 1944. A further 98 devices were assembled by the Soviets in 1946 as reparations.
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