This Custom Fit Performance Interface allows you to replace your factory OEM stereo while retaining factory steering wheel controls, if the vehicle is equipped. This interface will maintain the data-controlled +12V accessory output as well as provide navigation outputs for reverse, vehicle speed pulse, audio for reverse sensor and parking brake.Specifications: WARNING CA Proposition 65 Yes WARNING CA Proposition 65 Message WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov Description_DES Custom Fit Performance Interface Description_EXT Custom Fit Performance Interface; Data Driven +12V Accessory Output w/R.A.P.; VSS; Parking Brake; Reverse; Illumination; Retains Steering Wheel Control Functions; Description_FAB Retaining Factory Steering Wheel Controls Description_FAB Maintain The Data-Controlled 12V Accessory Output Description_MKT This Custom Fit Performance Interface allows you to replace your factory OEM stereo while retaining factory steering wheel controls, if the vehicle is equipped. This interface will maintain the data-controlled +12V accessory output as well as provide navigation outputs for reverse, vehicle speed pulse, audio for reverse sensor and parking brake. Description_SHO RadioModInt This Part Fits: Year Make Model Submodel Notes 2001 BMW 525i Base 2002 BMW 525i Base 1997 BMW 528i Base 1998 BMW 528i Base 1999 BMW 528i Base 2000 BMW 528i Base 2001 BMW 530i Base 2002 BMW 530i Base 1997 BMW 540i Base 1998 BMW 540i Base 1999 BMW 540i Base 2000 BMW 540i Base 2001 BMW 540i Base 2002 BMW 540i Base 2001 BMW X5 3.0i 2002 BMW X5 3.0i 2003 BMW X5 3.0i 2004 BMW X5 3.0i 2005 BMW X5 3.0i 2006 BMW X5 3.0i 2000 BMW X5 4.4i 2001 BMW X5 4.4i 2002 BMW X5 4.4i 2003 BMW X5 4.4i 2004 BMW X5 4.4i 2005 BMW X5 4.4i 2006 BMW X5 4.4i 2002 BMW X5 4.6is 2003 BMW X5 4.6is 2004 BMW X5 4.8is 2005 BMW X5 4.8is 2006 BMW X5 4.8is