The BMW R75 is a global Conflict II-era motorcycle and sidecar blend made by the German company BMW.
In the 1930s BMW were producing a amount of popular and impressive motorcycles. In 1938 development of the R75 started in response to a request from the German Military.
Preproduction models of the R75 were driven with a 750 cc area valve engine, that was predicated on the R71 engine motor. However it was quickly found necessary to design an all-new OHV 750 cc engine unit for the R75 unit. 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 driven with an axle linked to the rear wheel of the motorcycle. These were built in with a locking differential and selectable street and off-road equipment ratios through which all and reverse gears worked. This made the R75 highly manoeuvrable and with the capacity of negotiating most areas. A few other motorcycle manufactures, like FN and Norton, provided an optional drive to sidecars.
The BMW R75 and its rival the Z?ndapp KS 750 were both extensively employed by the Wehrmacht in Russia and North Africa, though over time 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 creating a Z?ndapp-BMW hybrid (selected the BW 43), in which a BMW 286/1 side-car would be grafted onto a Z?ndapp KS 750 motorcycle. In addition they agreed that the production of the R75 would cease once production come to 20,200 units, and after that point BMW and Z?ndapp would only produce the Z?ndapp-BMW machine, making 20,000 each year.
Since the concentrate on of 20,200 BMW R75's was not reached, it continued to be in production until the Eisenach manufacturer was so terribly destroyed by Allied bombing that creation ceased in 1944. A further 98 units were constructed by the Soviets in 1946 as reparations.
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