The BMW R75 is a World Conflict II-era motorcycle and sidecar blend produced by the German company BMW.
Inside the 1930s BMW were creating a range of popular and impressive motorcycles. In 1938 development of the R75 were only available in response to a demand from the German Military.
Preproduction models of the R75 were run with a 750 cc side valve engine, which was based on the R71 engine motor. However it was quickly found necessary to design an all-new OHV 750 cc engine motor for the R75 unit. This OHV engine motor later proved to be the basis for following 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 installed with a locking differential and selectable highway and off-road gear ratios by which all four and invert gears proved helpful. 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 rival the Z?ndapp KS 750 were both extensively utilized 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 building a Z?ndapp-BMW hybrid (selected 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 come to 20,200 items, and from then on point BMW and Z?ndapp would only produce the Z?ndapp-BMW machine, making 20,000 each year.
Since the goal of 20,200 BMW R75's had not been reached, it continued to be in production until the Eisenach stock was so terribly destroyed by Allied bombing that production ceased in 1944. An additional 98 devices were built by the Soviets in 1946 as reparations.
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