Sounds like you have 6FL (underneath your armrest should be a USB port and a standard headphone jack).
If you don't, or even if you do, try using a standard AUX cable plugged into your phone, and when going to sources, select AUX and see if that works for you.
'09 E93 DCT M3 - Jerez on Ext Blk Nov w/Carbon Leather Trim
Custom Tune, OEM Perf Mod, MS Stg 2 Intake, GTS DCT/Euro MDM - MR Hood Vents/sidemarkers, H8 160, tinted tails, Gloss black kidneys w/metallic M fins, V1
WTB: E93 LCI Tails w/harness - Driver heated mirror - Exhaust tips - Driver Door Panel