Maybe I'm wrong, but i get the impression that BMW drivers don't feel Camaraderie with other BMW drivers. I have seen other X drivers but they pay no attention. Chrysler 300 drivers and others might nod, wave or whatever. But BMW drivers? I don't think so.

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"What you hear in a great jazz band is the sound of democracy. “The jazz band works best when participation is shaped by intelligent communication.”
Harmony happens whenever different parts get to form a whole by means of congruity, concord, symetry, consistency, conformity, correspondence, agreement, accord, unity, consonance…….