Pin Number: 3, Socket Diameter: 3.5mm / 0.14'(D), Cable Length: 150cm / 59.06' Fitment:for BMW 750Li 2006-2008,for BMW 750i 2006-2008,for BMW 525i 2004-2010,for BMW 528i 2008-2010,for BMW 650i 2006-2010,for BMW 760Li 2003-2008,for BMW M5 2006-2010,for BMW M6 2006-2010,for BMW 745Li 2002-2005,for BMW 530i 2004-2010,for BMW 645Ci 2004-2005,for BMW 745i 2002-2005,for BMW 760i 2004-2006 Directly plug into the car wiring harness, plug and play, easy to install and use. This is a non-OEM product, accessory only! Please check the measure of the part before purchasing. Package includes: 1 x Audio Cable