BMW Original Equipment Bluetooth Eject Kit with Pairing and voice control button (item shown below installed with Standard parcel tray) comes standard with the Bluetooth kits

The below images shows an OPTIONAL fully functional snap in adapter.  Snap in adapter provides power and RF antenna boosting for your charging your phone and boosting your antenna to your BMW roof or under bumper antenna.  Snap in adapters are not required, but only a nice addition

The following Snap in adapters are currently available from your local BMW Dealer for around $100USD

Snap in adapter part numbers available from Bimmernav.com $100 Currently in stock ready to ship: BMW Snap in Adapter Siemens S55, S56, BMW P/N 84 21 0 154 606  ORDER HERE   BMW Snap in Adapter  Nokia 6310, 6310i BMW P/N 84 21 6 930 108  ORDER HERE   BMW Snap in Adapter Siemens S55, S56, BMW P/N 84 21 6 935 653  ---- NOTE: ONLY FOR THE E60, E61, E63, E64, E65, E66, E87 and E90 BMWS ORDER HERE ALL BMW Part numbers available from your local BMW dealer - Unfortunately we only have the snap in adapters listed above No. Description Supplement Part Number Notes 01 ADAPTER SNAP-IN SIEMENS S55, S56 84210154606 Phone Software Version 91 or higher 01 ADAPTER SNAP-IN NOKIA 6310 & 6310I 84216930108 Phone Software Version 5.51 01 ADAPTER SNAP-IN ERICSSON T39M, T39 84216925216 Phone Software Version R3A022 or higher 01 ADAPTER SNAP-IN ERICSSON T68I, T68 84210303561 Phone Software Version R7A005 or higher 01 ADAPTER SNAP-IN NOKIA 6230I 84216973983 Phone Software Version 3.25 or higher 01 ADAPTER SNAP-IN NOKIA 6020, 6021 84210413190 NEW! 03/06 01 ADAPTER SNAP-IN NOKIA 6100, 6220, 6230, 6230i, 6610, 6820, 6822, 7210, 7250, 7250i 84210413033 NEW! 03/06 02 ADAPTER SNAP-IN SIEMENS S65, S66 84210392326 Phone Software Version 12 or higher   ONLY WITH:   -- SNAP-IN ADAPTER COVER   84210306467 Required adapter Cover for Siemens S65 02 ADAPTER SNAP-IN ERICSSON K750i 84219116566 NEW! 03/06 02 ADAPTER SNAP-IN ERICSSON T610, T616, T618, T630, T637 84210304298 Phone Software Version R7A011 or higher   ONLY WITH:   -- SNAP-IN ADAPTER COVER   84210306467 Required adapter Cover for ERICSSON T610, T616, T618, T630 03 ADAPTER SNAP-IN MOTOROLA V710, E815 84210393570   03 ADAPTER SNAP-IN MOTOROLA RAZR V3 84210415023 P/N ONLY FOR E90, E60, E65, E66 03 ADAPTER SNAP-IN MOTOROLA V600, V551, V535, V505, V525, V635, V330 84210307726 Phone Software Version 0B.09.38R or higher* adapter Trim may be required P/N 84210306467