For 8/2011 X5 30dx RHD (EUR):

RHD headlight - left side: 63 11 7 240 793
RHD headlight - right side: 63 11 7 240 794

For 8/2011 X5 35dx LHD (USA):

LHD headlight - left side: 63 12 7 298 451
LHD headlight - right side: 63 12 7 298 452

From realoem.com.

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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