$17k for a 2012 K1300s...not sure where your looking but my local dealer has them on the floor for $15.5 which I think is MSRP.

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2011 535i, 06/11 Build, Black Sapphire, Black Dakota, Dark Wood, 6mt, PP 1 & 2, Premium Sound, Soft Close Doors, Convenience, Driver Assist, Cold Weather, Nav, SAT, 35% Suntek Tint, BMWPedals, Coded, Xpel Paint Prot.