Okay, so I'm having the same issue with my passenger side angel eye being out. 2001 X5 3.0. I'm able to find the Osram #64113 here:

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However, I'm wondering if this LED kit on Amazon will also work:

6W 7000K HID Headlight LED Marker Angel Eye Light Lamp Halo Rings Bulbs For BMW 04-07 1-Series E87 01-03 5-Series E39 M5 04-07 E60 E61 E63 E64 M6 02-08 7-Series E65 E66 06-07 X3 E83 00-06 X5 E53 : Amazon.com : Automotive