I have these:
http://www.bimmerworld.com/Engine/En...Mount-Set.html
They're pretty tame, but there is slightly more NVH at idle. My exhaust "buzzes" now, but it's not OEM to begin with.
YMMV.
EDIT: Also, while you're in there you might want to slap an E36M heat shield on them or just fab up some. That's what I did.
Here's the part for the E36M:
