The BMW R75 is a global Conflict II-era motorcycle and sidecar combo made by the German company BMW.
Within the 1930s BMW were creating a range of popular and highly effective motorcycles. In 1938 development of the R75 were only available in response to a submission from the German Army.
Preproduction types of the R75 were driven with a 750 cc side valve engine, that was based 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 later became the basis for following post-war twin BMW engines like the R51/3, R67 and R68.
The 3rd side-car wheel was driven with an axle connected to the trunk wheel of the motorcycle. They were fixed with a locking differential and selectable street and off-road items ratios by which all 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 competitor the Z?ndapp KS 750 were both greatly 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 Army, 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 make of the R75 would stop once production come to 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 target of 20,200 BMW R75's was not reached, it remained in production before Eisenach manufacturer was so badly broken by Allied bombing that creation ceased in 1944. An additional 98 items were constructed by the Soviets in 1946 as reparations.
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