The BMW R75 is a World War II-era motorcycle and sidecar mixture produced by the German company BMW.
In the 1930s BMW were producing a range of popular and highly effective motorcycles. In 1938 development of the R75 started in reaction to a need from the German Army.
Preproduction models of the R75 were driven with a 750 cc area valve engine, that was predicated on the R71 engine unit. Nonetheless it was quickly found necessary to design an all-new OHV 750 cc engine unit for the R75 device. This OHV engine unit later became the foundation for subsequent post-war twin BMW engines like the R51/3, R67 and R68.
The third side-car wheel was driven with an axle connected to the rear wheel of the motorcycle. We were holding fitted with a locking differential and selectable highway and off-road gear ratios through which all and reverse gears worked well. 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 own competitor the Z?ndapp KS 750 were both greatly employed 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 upon standardization of parts for both machines, with a view of eventually setting up a Z?ndapp-BMW hybrid (chosen the BW 43), when a BMW 286/1 side-car would be grafted onto a Z?ndapp KS 750 motorcycle. They also arranged that the production of the R75 would cease once production reached 20,200 items, and from then on point BMW and Z?ndapp would only produce the Z?ndapp-BMW machine, making 20,000 every year.
Since the goal of 20,200 BMW R75's was not reached, it continued to be in production before Eisenach manufacturer was so terribly broken by Allied bombing that development ceased in 1944. A further 98 systems were built by the Soviets in 1946 as reparations.
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