Shop name:Chong Qing Shuo Yue Ke Ji You Xian Gong Si The bluetooth module is made for Just plug the 12pin connector into the socket back of your radio You can just Insert this item to the back radio then the red wire to 12V+, the black wire to 12V-.- Match your phone or pad to bluetooth module.and Aux from your radio, then you can your phone to play music through car speakers.- You can hear music from your phone/pad/mp3(They should have blueooth function). Colour: Black material: plastic Match your phone or pad to bluetooth module.and Aux from your radio, then you can your phone to play music through car speakers. 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 this connector of 12-pin socket casing fits for your car before you bid 2. Please make this only works with Head Unit with "MODE" button . It's not with old units without MODE button or cassette or Navigation Players. Package includes : 1pcs aux bluetooth adapter Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.