You're trying to import music from the USB port in the glovebox, right? If you try to do it from the port in the armrest it won't work.
2009 E92 M3/DCT/Alpine White/Fox Red/Carbon Leather
OE Tuned 402 whp & 303 wtq/Gintani X-pipe/MXP Axle Back/Rogue Pulley/AFE Stage 2/Cosmetics By IND & EAS
HUGE THANKS: Gintani, OE Tuning, and EAS