Carbonio says 8-10 whp on a stock E46 M3 so I highly doubt the ARE one will considering that the carbonio is a very sweet set up.
In order to believe figures, see the dyno sheet first
Past: 1998 323is (E36)
1986 325e (E30)
Present: 1997 Jetta GLX VR6
2004 325iT (E46) (pops)