In case you cannot see anymore the selected gear in the check control, it might be time to clean the switch under the center console wodd cover, pics here from a Japanese E34 DIY site
BMW ƒƒ“ƒeƒiƒ“ƒX‹L˜^
LKM CCM resoldering
http://dd.jpn.org/BMW_HP/20130304/index.shtml
LED headlight rings http://dd.jpn.org/BMW_HP/20130805/index.shtml
