Bluetooth Music Streaming Adapter Audio Aux Cable for BMW E46 10 pin Socket BMW 320 325 323 328 330 M3 3-Series 2002-2006 Business CDThe product supports efficient music transmission, version 5. 0, compatible with the following versions. If the call comes, you can use the phone. Note: There are many host models compatible with BMW CD, which are quite complex. Some of them cannot be switched to AUX mode. You need to check whether the CD host has AUX function before buying, if the CD host does not have AUX function, we do not recommend you to buy. In order to avoid your purchase