Where are you getting v57 of DIS and how far up the food chain does it go (e.g., 2011, 2015, ?)?

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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