They are waiting for some overpaid internet stock option lottery winner or hedge fund douche to stroll in from their $4,800 1br in the Marina to spend extra on that car "because they can."
Back in 2001 when I was trying to order a 330ci I was routinely quoted over MSRP prices and asked "if I was paying cash, etc etc" it's the same crap all over again but x10.
2013 F10 535i M-Sport, Sophisto Grau, 6-speed MT
2011 E90 335i Sport, Jet Black, Sport Auto, Performance Edition
2002 E46 330i Sport, Jet Black, 5-speed MT, lots of upgrades
2001 E46 330Ci Sport, Steel Grey, 5-speed MT....and more