FYI I did a quick and dirty search on autotraders Canadian site for 07-10 4.8 (V8) X5s for the all of Canada (National location) and it pulled up 67 results. Filtering out for other options is obviously going to reduce the list, but I typically do a broad search because people don't always tag the listing correctly.

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2007 X5 4.8i - 12/06 Build - Silver/Black - 3rd Row