I have the print out and Nav is no longer listed in the technology package.
It appears to be standard on the 4.8.
I also mentioned the changes in the Canadian ordering guide and he couldnt confirm and said the cars are made for different markets.

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2008 BMW X5 4.8i (E70)
Alpine White, Burl Walnut, Nevada Black, Sport Package, Cold Weather Package,
Premium Package, Technology Package,
Rear Climate Package, iPod adapter