My X5 has that. It's a trim package. Sort of a non-performance oriented sport package. Shadow-line trim, anthracite headliner, 19" wheels, color-keyed roof rack, etc.

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8/2011 X5 xDrive35d Sport, Black Sapphire Metallic, Black Nevada Leather, Fine Burr Walnut Trim
2/2001 M5, Jet Black, Exclusive Complete Black Walk Nappa Point Heritage Leather, Black Cubic Trim