The BMW R75 is a global War II-era motorcycle and sidecar combination made by the German company BMW.
In the 1930s BMW were creating a range of popular and impressive motorcycles. In 1938 development of the R75 started in reaction to a demand from the German Military.
Preproduction types of the R75 were driven by way of a 750 cc aspect valve engine, which was predicated on the R71 engine unit. However it was quickly found essential to design an all-new OHV 750 cc engine for the R75 product. This OHV engine unit 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 powered with an axle linked to the trunk wheel of the motorcycle. They were fixed with a locking differential and selectable road and off-road items ratios through which all and invert gears proved helpful. This made the R75 highly manoeuvrable and with the capacity of negotiating most surfaces. Additional 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 generally 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 developing a Z?ndapp-BMW hybrid (specified 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 reached 20,200 products, and after that point BMW and Z?ndapp would only produce the Z?ndapp-BMW machine, processing 20,000 each year.
Since the concentrate on of 20,200 BMW R75's was not reached, it remained in production before Eisenach factory was so terribly broken by Allied bombing that development ceased in 1944. A further 98 devices were set up by the Soviets in 1946 as reparations.
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