I use the iPod connector and I have a "New" playlist, where I put songs that I just downloaded into. I'm heavily involved with music/Dj'ing so I have all my stuff organized. Playlists are the best way to do it!
2011 E90 ///M3 AW/FR
ACM Exhaust with CF tips, CF splitters, CF mirror caps, OEM Performance CF trunk Spoiler, gloss black side markers and hood vents, AW painted reflectors, matte black kidney grills, OSS-ACM Headlights, ZCP/GTS matte black wheels
Future: tints, RD sport springs, turner test pipes, CF roof vinyl