BMW_R75:5_DOom13

The BMW R75 is a World Warfare II-era motorcycle and sidecar mixture produced by the German company BMW.

In the 1930s BMW were creating a range of popular and impressive motorcycles. In 1938 development of the R75 started in respond to a demand from the German Army.

Preproduction types of the R75 were driven with a 750 cc aspect valve engine, which was predicated on the R71 engine. However it was quickly found necessary to design an all-new OHV 750 cc engine unit for the R75 product. This OHV engine unit later became the basis for subsequent post-war twin BMW engines like the R51/3, R67 and R68.

The 3rd side-car wheel was powered with an axle linked to the rear wheel of the motorcycle. They were fitted with a locking differential and selectable highway and off-road equipment ratios by which all four and change 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 own competitor the Z?ndapp KS 750 were both greatly 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 Army, agreed after standardization of parts for both machines, with a view of eventually setting up a Z?ndapp-BMW hybrid (designated the BW 43), in which a BMW 286/1 side-car would be grafted onto a Z?ndapp KS 750 motorcycle. They also decided that the make of the R75 would cease once production reached 20,200 units, and after that point BMW and Z?ndapp would only produce the Z?ndapp-BMW machine, processing 20,000 every year.

Since the aim for of 20,200 BMW R75's had not been reached, it continued to be in production until the Eisenach manufacturing plant was so terribly harmed by Allied bombing that creation ceased in 1944. A further 98 systems were built by the Soviets in 1946 as reparations.

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