BMW logo doesn't actually depict a propeller
Never seen a red BMW logo before. : r/BMW
ZigWheels.com - Do you know the hidden meaning behind BMW's logo? If yes, comment your answer below.
Why are BMW's symbols a propeller and a roundel? - Quora
The real truth behind BMW's logo - we've all been believing a myth, but hidden message is far simpler
Why are BMW's symbols a propeller and a roundel? - Quora
The BMW Logo - Meaning and history - Inchcape
The BMW logo - meaning and history - BMW Car Club GB
BMW Logo Design – History, Meaning and Evolution
BMW History