BMW e90
Sunroof Control Panel/Dome Light Removal and V1 Hardwire Installation BY e90post.com’s sfbmw
http://www.e90post.com/forums/showpost.php?p=166979&postcount=155
http://www.e90post.com/forums/showpost.php?p=166979&postcount=156
http://www.e90post.com/forums/showpost.php?p=166979&postcount=157
http://www.e90post.com/forums/showpost.php?p=166979&postcount=158
(Note by Bill: For grounding point I used the same 10mm bolt but on the left side (picture below shows right side location), it was easier to access with a 1/4” ratchet and 10 mm socket)