The BMW R75 is a global Warfare II-era motorcycle and sidecar mixture made by the German company BMW.
In the 1930s BMW were producing a variety of popular and highly effective motorcycles. In 1938 development of the R75 were only available in respond to a demand from the German Military.
Preproduction models of the R75 were powered by way of a 750 cc side valve engine, that was predicated on the R71 engine. Nonetheless it was quickly found essential to design an all-new OHV 750 cc engine unit for the R75 unit. This OHV engine unit later proved to be the foundation for subsequent 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. These were built in with a locking differential and selectable road and off-road products ratios through which all four and reverse gears did the trick. This made the R75 highly manoeuvrable and capable of negotiating most surfaces. A few other motorcycle manufactures, like FN and Norton, provided an optional drive to sidecars.
The BMW R75 and its rival the Z?ndapp KS 750 were both greatly utilized 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 setting up a Z?ndapp-BMW hybrid (chosen 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 make of the R75 would cease once production come to 20,200 units, and after that 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 continued to be in production until the Eisenach factory was so badly destroyed by Allied bombing that development ceased in 1944. A further 98 items were set up by the Soviets in 1946 as reparations.
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