Technically equal to the BMW R 75 was the Zündapp KS 750. About 70% of the parts were identical. A planed standardisation was dropped due to the situation of war.
18,635 exemplars of the ZündappKS 750 were manufactured from 1941 to 1944 – 2,125 more than of the BMW R 75. (Photo: German federal archive via Wikimedia Commons; License: Creative Commons BY-SA-3.0-gb)