There is programming to tell the DSC and the backup sensors you have a trailer hooked up, but I doubt you need to delete it (it wasn't mandatory programming if the previous owner installed the hitch themselves).

You need to find someone who wants to install the hitch so you can swap parts. It's a PITA to do though, so I wouldn't take it off unless you absolutely have to. Plus, it might come in handy some day...

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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