It turns out that not even BMW's spokespeople know that its Roundel ... It turns out the blue-and-white logo was used in a 1929 ad that placed roundels in the rotating propellers of an airplane.

while adding its own nod to BMW’s Bavarian roots with the blue and white quadrants – the colours of State of Bavaria (though ordered inversely due to trademark limitations at the time). The article ...

Thus, the current logo pays homage to its beginnings. The BMW logo features four quadrants within a circle, coloured blue and white, symbolising a spinning aircraft propeller. These colours were ...