The BMW R75 is a global Conflict II-era motorcycle and sidecar blend produced by the German company BMW.
Within the 1930s BMW were creating a number of popular and impressive motorcycles. In 1938 development of the R75 were only available in reaction to a question from the German Army.
Preproduction models of the R75 were driven by a 750 cc side valve engine, that was based on the R71 engine motor. Nonetheless it was quickly found essential to design an all-new OHV 750 cc engine motor for the R75 device. This OHV engine unit later became the foundation for following post-war twin BMW engines like the R51/3, R67 and R68.
The third side-car wheel was driven with an axle linked to the trunk wheel of the motorcycle. These were fixed with a locking differential and selectable highway and off-road gear ratios through which all and reverse gears functioned. 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 competitor the Z?ndapp KS 750 were both broadly used by the Wehrmacht in Russia and North Africa, though after a period of analysis 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 building a Z?ndapp-BMW hybrid (specified the BW 43), when a BMW 286/1 side-car would be grafted onto a Z?ndapp KS 750 motorcycle. They also decided 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, 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 before Eisenach factory was so badly destroyed by Allied bombing that creation ceased in 1944. An additional 98 products were assembled by the Soviets in 1946 as reparations.
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