Hoss,
If not spotted already across on BB forum there's a good thread about the brace on M135i with lots of info and photos
http://www.babybmw.net/forum/viewtop...93&hilit=brace
You should also consider the OEM M4 front lower control arm upgrade....
http://www.babybmw.net/forum/viewtop...8&hilit=camber
BP