Mine works back and forth picking up the last song and playlist. Even when the car is turned off then back on again. I also have it hooked into the USB and 3.5 mm audio cable.
The only issue that I have is when I leave the Ipod in the car overnight on cold nights, the Ipod is not recognized by the interface until the Ipod is warmed up by hand or heated seat.
__________________
'09 X5 3.0 White- Sand Biege Leather
Specs- Premium - Tech - heated seats - Rear Climate - IPod interface - smart phone - running boards - lift gate - Areo Kit - surf/ski racks - ceramic film
Retired
'01 X5 3.0
Specs-sport-premium-cold weather-rear climate- premium sound-CD changer