USASPEC (PA12-BMW-DSP) iPod In-Vehicle Interface Adapter for BMW DSP Style Radios
iPod connection adapter for select BMW DSP-style factory stereos , track up/down, fast-forward, reverse, and shuffle play , use up to five playlists (select five favorites, or Auto Playlist will let you choose from the first five on your iPod), Direct Mode lets you control everything via the iPod itself, giving you access to all playlists (requires a DIP switch change on the USA Spec adapter) , auxiliary input (RCA connectors) for another audio source