BMW Marine
BMW Marine GmbH was BMW's marine engine division. BMW's interest in marine engines dated back to 1913; they began making marine engines in 1919 after World War I. Gasoline engines

Stern drives

Diesel engines
Engines came from VM Motori in Northern Italy, such engines were also used in the Maybach MD870 diesel engine. Sale to Mercury Marine

References

External links
BMW Blog, News & Reviews

BMW
Marine engine manufacturers
Manufacturing companies established in 1919