BMW R75/6

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

Inside the 1930s BMW were producing a range of popular and highly effective motorcycles. In 1938 development of the R75 were only available in response to a submission from the German Military.

Preproduction types of the R75 were driven with a 750 cc side valve engine, that was predicated 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 unit later became the basis for following 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 built in with a locking differential and selectable street and off-road products ratios by which all and reverse gears worked well. This made the R75 highly manoeuvrable and capable 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 rival the Z?ndapp KS 750 were both broadly used 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 developing 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 manufacture of the R75 would cease once production come to 20,200 items, and after that point BMW and Z?ndapp would only produce the Z?ndapp-BMW machine, manufacturing 20,000 every year.

Since the target of 20,200 BMW R75's had not been reached, it continued to be in production until the Eisenach manufacturer was so badly ruined by Allied bombing that creation ceased in 1944. A further 98 units were built by the Soviets in 1946 as reparations.

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