I believe these fit as well. I had them on my E46 M3. I just put a call in to Rogue but they're at SEMA. Sent an email for confirmation.
http://www.rogueengineering.com/rogu...SH/RE_PEM.html
If they fit, I'd imagine a pair of those coupled with the E46 M3 OEM trans mounts would give a great result and way less movement, along with minimal NVH added.