Physically it is the same. But the contrast is set up for the viewing angle of the 5 series and will not be as clear in an X5.
Here's one on eBay from an X5 -
http://www.xoutpost.com/ebay-finds/32...v-2003-x5.html
If you get the one for the 5-series then you'll need this trim piece to complete the install -
http://cgi.ebay.com/ebaymotors/Brand...19464985QQrdZ1