Spendy, but very nice, especially for summer use or milder climes, are cocomats.com. I wouldn't use them in that yankee slush, and have OEM black rubber like RB's in my new to me X5, but come next Spring, I'll order a set of cocos. Had them in our last fun weekend ride [Benz SLK 350]. Rubber backed, so the protect the carpet in most conditions, and very handsome mats.

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2006 X5 3.0 6-spd w/Evo UUC ssk
sport/premium pkgs
born Valentine's Day, 2006.