Saw this on Ebay. seems to mount the same as the 318ti.
I did some research on REALOEM.com. The diff seems to be as he states 3.46:1.
The problem is when I search under 2001 Z3 M, they only used a 3.15:1 diff.
Either way the mounting seems the same, but I can't figure out if this is really from a 2001 Z3 M.
I would love to put that in my 98 318ti.
Did all Z3 coupes/roadsters come with a LSD?
If this diff bolts right on, do the half shafts still need some mods, as in an E30 diff swap?
http://cgi.ebay.com/ebaymotors/ws/eB...category=33731