The BMW R75 is a global Warfare II-era motorcycle and sidecar mixture produced by the German company BMW.
Inside the 1930s BMW were creating a volume of popular and highly effective motorcycles. In 1938 development of the R75 started in response to a question from the German Army.
Preproduction types of the R75 were powered with a 750 cc side valve engine, that was predicated on the R71 engine. However it was quickly found necessary to design an all-new OHV 750 cc engine for the R75 device. This OHV engine later became the basis for subsequent post-war twin BMW engines like the R51/3, R67 and R68.
The third side-car wheel was powered with an axle connected to the trunk wheel of the motorcycle. These were built in with a locking differential and selectable highway and off-road items ratios through which all and change gears worked well. This made the R75 highly manoeuvrable and capable of negotiating most surfaces. A few other 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 used 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 Army, agreed after standardization of parts for both machines, with a view of eventually creating a Z?ndapp-BMW hybrid (designated the BW 43), when a BMW 286/1 side-car would be grafted onto a Z?ndapp KS 750 motorcycle. In addition they agreed that the produce of the R75 would stop once production reached 20,200 items, and from then on 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 continued to be in production until the Eisenach factory was so badly ruined by Allied bombing that creation ceased in 1944. A further 98 items were constructed by the Soviets in 1946 as reparations.
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