The BMW R75 is a World Warfare II-era motorcycle and sidecar mixture made by the German company BMW.
Inside the 1930s BMW were producing a volume of popular and impressive motorcycles. In 1938 development of the R75 started in response to a question from the German Military.
Preproduction models of the R75 were driven by way of a 750 cc part valve engine, that was based on the R71 engine. However it was quickly found essential to design an all-new OHV 750 cc engine for the R75 device. This OHV engine unit later proved to be the foundation 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 rear wheel of the motorcycle. They were installed with a locking differential and selectable street and off-road products ratios by which all four and change gears performed. This made the R75 highly manoeuvrable and capable of negotiating most areas. 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 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 upon standardization of parts for both machines, with a view of eventually building a Z?ndapp-BMW hybrid (selected 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 produce of the R75 would cease once production come to 20,200 items, and after that point BMW and Z?ndapp would only produce the Z?ndapp-BMW machine, processing 20,000 every year.
Since the focus on of 20,200 BMW R75's was not reached, it remained in production before Eisenach manufacturer was so terribly damaged by Allied bombing that creation ceased in 1944. A further 98 models were put together by the Soviets in 1946 as reparations.
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