i put a ram cold air cone k&n intake into my 325is, sounds a lot louder now, and i think it picks up a lot better.
<img src='http://n00106.myspace.com/00106/13/45/106195431_l.jpg' border='0' alt='user posted image' />
Breyton Inspiration 17"x8.5", dde plus, euro elispoids, clear front markers/rear light's, k&n ram cold air intake, Clarion Deck, 8" sub tube
Member:3 pedal club
Member: 10+ years club
Member: Ran from a cop and got away club