The bluetooth module is made for Just plug the 12pin connector into the socket back of your radioYou can just Insert this item to the back radio then Connect the red wire to 12V+, the black wire to 12V-.- Match your phone or pad to bluetooth moduleand Choose Aux from your radio, then you can use your phone to play music through car speakers.- You can hear music from your phone/pad/mp3(They should have blueooth function).Colour: Blackmaterial: plasticMatch your phone or pad to bluetooth moduleand Choose Aux from your radio, then you can use your phone to play music through car speakers.Compatible for :2004 - 2010 for (E60): 5-Series: 525i, 525it, 528i, 528it, 530i, 530it, 540i, 540iT & M5 (Sedan and Touring)2003 - 2010 for (E63) (E64): 6-Series: 630Ci, 630i, 645ci, 650i, M6 (Coupe and Cabriolet/Convertible)2002 - 2008 for (E65) (E66): 735i, 735li, 740i, 740li, 745i, 745li, 750i, 750li, 760i, 760li (and )for M-ASK, ASK-CD and for 1er Serie (E87, E88, E81, E82),Serie 3 (E90-E91-E92)Note:1. Please make that this connector of 12-pin socket casing fits for your car before you bid2. Please make that this only works with Head Unit with "MODE" button . It's not compatible with old units without MODE button or cassette or Navigation Players.Package includes :1pcs aux bluetooth adapterOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store