Harness is used when installing a stereo,Connects the stereo harness to the vehicles factory harness,Designed specifically to fit the compatible vehicles follow list,Plugs into the factory harness without cutting any wires,Standard color coded wires provide a consistent and simplified installation. Great quality and great fit, Correct connector without cutting or splicing. Type: Power Wiring Harness Compatible with the following vehicles: For E46 (3 Series 1999-2006) For E39 (5 Series 1995-2000) For E53 (X5 1999-2000) You must check your car CD stereo wiring harness has the "K-BUS" Or "I-BUS" pin,the model year maybe:1999 This harness is used when installing an aftermarket android stereo(16pin interface),Connects this wiring harness to the factory harness without cutting any wires. Material:plastic colour:black Package Contents: 1 Wiring Harness Only 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.