Massive Update.
If you have an X3 (2.5L or 3.0L) you can get the intake.
If you have an X5 (3.0L, 4.4L, 4.5L, 4.8L) you can get the intake.
If you have an X5 (4.6L) I'll have to keep looking for verification but I'm 99.999% sure it'll fit, and so are other members.

X. Name (X5 Modelnumber (3.0,4.4,4.6,4.8))
1. ricky.agrawal (X5 4.4)
2. Z3RO (X5 3.0)
3. Tijanaw (X5 4.4)
4. wuzin (X5 4.4)
5. Roc3b (01 X5 4.4)
6.
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8.
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