Sissejuhatuseks:
"The propeller story is a myth which originates from the 1930's. The real story can be found at the attached file. It describes the current state of research regarding the BMW logo." (Andreas Harz, BMW Mobile Traditions esindaja).
Ja PDF, mis logo saamisloost räägib: the_origin_of_bmw_logo.pdf
(Tänud Steve Carltonile.)