GROM Audio MST3P-BMWO kit + their Bluetooth dongle will work also. Wireless audio streaming + hands free calling. Works with both iDrive and non-iDrive.
Search YouTube for Grom E90 and you'll see it work with the standard stereo and also there's an installation video.
PM me if you're interested.
Last edited by turbo6shooter; 03-27-2013 at 02:15 AM.