Looking for advice on Mirror stem size on F25 2013 or 2014. Wanting to hang radar under rearview mirror. found 2 places that make custom mounts but need exact size and style of mounts
example can be found here
http://www.blendmount.com/bmw.html
or
http://www.countryjoycrafts.com/list.html Fits: .562inches to .630 inches or 14MM to .16MM
with correct mirror stem
any one can help I would appreciate.