What's the point of a b3 again? Is it way cheaper than M?
Looks like if you want an n54 in an f series chassis and willing to spend $15k...
http://f30.bimmerpost.com/forums/sho...d.php?t=872279" rel="" target="_blank">http://<a href="http://f30.bimmerpos...p?t=872279</a>
Might as well go m, lighter, LSD, good trans, FAT fenders, and tune will be even more power. Better interior, better pizza, papa johns.