This was a real issue for me actually, I never thought I'd care about this when I bought my M3 or really I think I assumed it was up to par with other high end cars but it's a really a drag that for such an expensive vehicle the radio or lack there of is an issue. First off the intermittent reception is crazy! I live in LA and the radio cuts in and out more than an old time AM radio while driving under a bridge. It's almost like we've gone back 60+ years trying to tune in a station via TuneIn or Slacker. And even the regular FM is sketchy at times when trying to grab the HD sig. Secondly, I do find it odd that almost all higher end vehicles have SiriusXM built in for use, but not having that option, knowing that cellular reception is so bad, is confusing. Thirdly, Slacker. Slacker is just below "meh." Spotify is immensely better for this kind of service. And I just decided to pay the 9.99 a month for slacker just to see if I can make playlists and control my selections more like I can on Spotify or Amazon or Apple and the online-only interface for slacker is a joke. It's seriously due a major overhaul and a stand alone interface is a must. Again, Apple Music is even better and that's saying a lot. I know version 9 is out and I am guessing this is not going to be addressed but it should be. Finally, why in the world can't we get an aftermarket SiriusXM install or at least the option from Tesla? I see lot's of folks are adding external units and that's crazy. Yes! the M3 is super and amazing and expensive yet cars for 1/3 the cost have more audio capabilities....I know I am nitpicking bc I seriously do dig our M3 a ton!