Turner motorsport sells them as do many other places. Google or search ebay for the Bentley X5 Manual and see what pops up. Sorry, I forget where I got mine (ebay I think for a new one). They are not cheap but they are phone book sized (major metropolitan area, not Yankton, South Dakota sized.

Seriously, it is worth every penny. I have one for each of my three BMWs (e36, e46, e53).

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Kirk
Las Vegas
2016 X5 40e Mineral White/Black Dakota Leather, ZLL, ZCW, ZDA, ZDB, ZPP, multi contour seats, rear side window shades, HK stereo
2011 E90M3, 6-speed manual