I used to think they were very rare. Then I went to a car show and saw four of them on display (not the super sport model). On the way out, passing the hotel, I saw another one just parked outdoors in the hotel parking lot. Much too common.

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2007 X3 3.0si, 6 MT, Premium, White

Retired:
2008 535i, 6 MT, M Sport, Premium, Space Grey
2003 X5 3.0 Steptronic, Premium, Titanium Silver
2002 325xi 5 MT, Steel Grey
2004 Z4 3.0 Premium, Sport, SMG, Maldives Blue