if anyone in NY is up for it, pm a member over on 5series.net by the name of brabusw209amg
he's created an HID conversion kit for LCI H8 halogen bulbs for the AE's...they look great on the LCI e60's....i'm sure x6's would be similar but not the same, he'd have to test fit an x6...
http://forums.5series.net/topic/9674...&#entry1148426