BMW R75 by Sergio

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

Inside the 1930s BMW were producing a amount of popular and impressive motorcycles. In 1938 development of the R75 started in reaction to a need from the German Army.

Preproduction types of the R75 were power by a 750 cc area valve engine, which was based on the R71 engine motor. However it was quickly found essential to design an all-new OHV 750 cc engine unit for the R75 unit. This OHV engine motor later proved to be the basis for subsequent post-war twin BMW engines like the R51/3, R67 and R68.

The 3rd side-car wheel was driven with an axle linked to the trunk wheel of the motorcycle. They were installed with a locking differential and selectable road and off-road equipment ratios by which all four and change gears worked well. 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 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 upon standardization of parts for both machines, with a view of eventually making 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. In addition they arranged that the produce of the R75 would cease once production reached 20,200 models, and after that point BMW and Z?ndapp would only produce the Z?ndapp-BMW machine, developing 20,000 every year.

Since the target of 20,200 BMW R75's had not been reached, it remained in production before Eisenach stock was so terribly broken by Allied bombing that development ceased in 1944. A further 98 items were assembled by the Soviets in 1946 as reparations.

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