Thread: Custom BMW R75/6

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

In the 1930s BMW were creating a range of popular and highly effective motorcycles. In 1938 development of the R75 were only available in respond to a question from the German Military.

Preproduction models of the R75 were powered by the 750 cc part valve engine, which was based on the R71 engine motor. Nonetheless it was quickly found essential to design an all-new OHV 750 cc engine unit for the R75 device. This OHV engine later became the foundation for following post-war twin BMW engines like the R51/3, R67 and R68.

The third side-car wheel was motivated with an axle connected to the rear wheel of the motorcycle. They were equipped with a locking differential and selectable road and off-road items ratios through which all four and change gears did the trick. This made the R75 highly manoeuvrable and with the capacity of negotiating most areas. Additional motorcycle manufactures, like FN and Norton, provided an optional drive to sidecars.

The BMW R75 and its competitor the Z?ndapp KS 750 were both generally 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 after standardization of parts for both machines, with a view of eventually building 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. They also arranged that the produce of the R75 would cease once production reached 20,200 units, and from then on point BMW and Z?ndapp would only produce the Z?ndapp-BMW machine, manufacturing 20,000 every year.

Since the focus on of 20,200 BMW R75's had not been reached, it remained in production until the Eisenach factory was so terribly destroyed by Allied bombing that production ceased in 1944. A further 98 systems were assembled by the Soviets in 1946 as reparations.

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