Why don't they just leave out the whole iDrive and put a dock connector for iPads or similar tablets (something universal. They can do nav, wi-fi hot spots, music, and more. Plus the new nav screens look like iPads now anyways. This way you can also scale your technology as your car ages too.
13 X5 xDrive 35i M-Sport Black/Oyster (Hers)
07 X5 4.8i Sport Black/Black (Winter/DD)
03.5 M3 Cabriolet Steel Grey on Black (Summer Fun)
PAST: 08 E92 M3, 08 535xiT, 06 E90 325i, 87 E30 325i, 85 E30 318i