Alright and I sympathize. I took electrical engineering for poets, so I'm no whiz either. Read the first page, right side. It tells you everything you need to know. Print it out and then go browsing through the diagrams.

Also, there is a website that specializes in retrofitting nav, blue teeth, and that sort of thing. Bimmernav.com or something like that. They may be able to help.

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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