1,Fitment: Replacement for E46 3 Series 1999‑2010, replacement for E39 5 Series 1995‑2000, replacement for E53 X5 1999‑2000, replacement for E83 2006‑2010. 2,Usage: You can use the wiring harness when installing the aftermarket audio, connect the aftermarket audio, and this wire adapter supports JBL amplifier. 3,Color Recognition: Color coded wires provide consistent and simplified installation, making it easier for you to install, user friendly and practical design. 4,Plug and Play: Car stereo wire connector is easy to use, just plug into the factory harness without cutting any wires, no complicated operations, convenient to use. 5,Premium Material: Car stereo wire harness is made of premium ABS plastic, this cable plug is fire retardant, high temperature resistant, not easy to damage. 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.