Yes they fit.
There was a huge thread about xi bilstein HD shocks leaking and the solution was to replace them with e36 m3 shocks.
I went with koni adjustables & eibach and i'm very happy with them. I also have PF e36m3 CAB's and RTAB's.
Last edited by e46alfonso; 01-11-2013 at 06:29 PM.