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The BMW R75 is a global War II-era motorcycle and sidecar mixture made by the German company BMW.

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

Preproduction models of the R75 were run by way of a 750 cc area valve engine, which was predicated on the R71 engine. Nonetheless it was quickly found essential to design an all-new OHV 750 cc engine for the R75 device. This OHV engine later became the basis for subsequent post-war twin BMW engines like the R51/3, R67 and R68.

The third side-car wheel was motivated with an axle linked to the trunk wheel of the motorcycle. They were fitted with a locking differential and selectable street and off-road products ratios through which all four and invert gears worked well. This made the R75 highly manoeuvrable and with the capacity of negotiating most floors. 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 widely employed 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 Army, agreed after standardization of parts for both machines, with a view of eventually developing 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. They also agreed that the manufacture of the R75 would cease once production come to 20,200 units, and from then on point BMW and Z?ndapp would only produce the Z?ndapp-BMW machine, manufacturing 20,000 every year.

Since the goal of 20,200 BMW R75's was not reached, it remained in production until the Eisenach factory was so badly harmed by Allied bombing that creation ceased in 1944. A further 98 systems were constructed by the Soviets in 1946 as reparations.

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