Specific adapter for upgrading from MULF/TCU to Combox Combox will also be required Connection between vehicle wiring harness and new Combox Combox features: Bluetooth Audio Bluetooth Album Covers Office Menu Internet BMW Live Scope of delivery: Antenna adapter Note: The iDrive (CIC) software may require an update To use BMW Internet as well as BMW Live Service, a smartphone with Bluetooth tethering is required With iPhone 3GS, 4, 4s, the hotspot staff must be activated (please check your provider contract)