You are looking at a brand new genuine BMW Bluetooth Apple iPhone 4/4S media snap-in adapter for the following BMW models shown below. If you have an Apple iPhone 4 this is the media adapter that will work for you.
This adapter is compatible with:
E81 E82 E87 LCI E88 1 Series
E90 LCI/E91 LCI/E92 LCI/E93 LCI 3 Series
F30 F31 F34 3 Series
F07 5 Series GT
F10/F11 5 Series
F12 6 Series
E84 X1
F25 X3
E70/E70 LCI X5
E71/E72 X6
F01/F02/F03/F04 7 Series
E89 Z4