I've sat in both side by side, there's almost zero different
unless you play drums on your dash, the 1's middle part is hollow where the nav goes, on cars that dont have nav
I did not think they felt any different
and that little bit of trim that's missing looks stupid to go there anyway
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