The BMW R75 is a global Battle II-era motorcycle and sidecar combo made by the German company BMW.
Inside the 1930s BMW were creating a number of popular and highly effective motorcycles. In 1938 development of the R75 were only available in reaction to a demand from the German Army.
Preproduction types of the R75 were power by way of a 750 cc aspect valve engine, which was based on the R71 engine. However it was quickly found necessary to design an all-new OHV 750 cc engine unit for the R75 unit. This OHV engine motor later proved to be the basis for following post-war twin BMW engines like the R51/3, R67 and R68.
The third side-car wheel was influenced with an axle linked to the rear wheel of the motorcycle. They were fitted with a locking differential and selectable street and off-road items ratios by which all four and reverse gears worked. This made the R75 highly manoeuvrable and with the capacity of negotiating most surfaces. 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 broadly 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 developing 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 agreed that the manufacture of the R75 would stop once production reached 20,200 products, and from then on point BMW and Z?ndapp would only produce the Z?ndapp-BMW machine, developing 20,000 every year.
Since the target of 20,200 BMW R75's was not reached, it remained in production until the Eisenach manufacturer was so terribly ruined by Allied bombing that development ceased in 1944. An additional 98 devices were constructed by the Soviets in 1946 as reparations.
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