See attached from F30post - given that std fit strut brace, part # 51617378711 - see Realoem link below - is common between F2x and F3x, has anyone done stages 1 and 2 on an M235i ???
http://www.realoem.com/bmw/enUS/part...&q=51617378711
https://f30.bimmerpost.com/forums/sh...+reinforcement