I have a set of OEM 299M wheels for sale, with or without high performance tires, all set to be refinished to the color of your choice. They would look great on your ride! I am happy to have them refinished here prior to shipping if you are interested.
http://www.xbimmers.com/forums/showthread.php?t=964899
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2014 BMW 650xi Gran Coupe Msport Black Sapphire Metallic on full black merino leather. 20" M5 343M wheels for summer, 20" 373 wheels for winter with Nokian Hakkapeliitta 8 studded snow tires. M6 CP exhaust with M6 Diffuser and ///M Performance carbon fiber finisher. Mission Performance stage 1.5 and transmission tune.