the x6 is really ugly imo, and does not sell well in the US, although that may be good for resale, I'm not sure
if you can get a hitch you can tow, I've seen hitches for e36 and e46 m3's
You only need two tools in life - WD-40 and Duct Tape. If it doesn't move and should, use the WD-40. If it shouldn't move and does, use the duct tape.
Gone but not forgotten..
1974 2002, 1987 325ic, 1987 325is
1995 M3, 2001 X5, 2007 MCS R56