I have a 2010 550, (so I'm sure there are different options), but I do have the center console USB and Aux plug. That's where I have the Y plugged into. I tried both the "Y" and the Apple USB in the glovebox where I would prefer to have my I-pod and neither worked.
2010 550 M sport - Deep Sea Blue Pearl / Beige - Premium Pkg - Sport Auto w/ paddles - NAV - Active Steering - L7 - Comfort access - 20% Tint - Trinity 12w LED AEs - Smoked side markers - Solaris blinkers - Dinan intake
TO DO: - Dinan exhaust - throttle body -Stage 3 - Dual RPI ram air scoops
BMW CCA Member, Golden Gate Chapter