But you ain't seen nothing yet. Yeah, that's downright puny compared with these. Of course, BMW isn't in this business anymore. They only made aircraft engines for a couple years: 1917 to 1918. Well, that is, until they fell in with the Nazis. They produced Nazi-Aircraft-Engines for the WWII effort from 1933 to 1945. We'll learn more about their Hitler-complicity a bit later on.