CJ, the 2012 has the older cic system, NBT has a higher res screen, some more features (idrive 5 versus i drive 4), bigger controller, letter input, nicer colors. I was quoted $3,300 for the upgrade (plus install) but the loss of sat radio was a deal breaker for me
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Previous BMW: 16 M4, 13 M6; 14 M235i, 12 BMW M3; 11 BMW M3; 08 BMW M3; 08 BMW Z4M; 04 X3; 02 M3 Convertible; 02 M3; 00 M Roadster; 94 325 convertible; 92 325i Convertible; and 85 635csi
My Car Photo Blog: http://carfisheye.blogspot.com/
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