I have the Bentley Publishing X5 manual. Pretty good.

Can't look at ebay from work, but I'd get the Bentley for sure. It had more detail on electrical cicuits than the WDS had!

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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