This filter is universal for multiple car models, small and convenient, easy operate, with stable performance and reliability. Color:Black For Model: for 1 series F2X, 3 series F3X, for X5 etc., FEM mileage adjustment (no need to remove FEM, connect directly to instrument panel) for 5 series F10, 7 series F01/02 etc., CAS4 Fxx chassis.(F01, F02, F07, F18, F10, F20, F25, X3 etc., applicable for 9S12 XEP series 5M48H/1N35H) NOTICE!! New style: 222/205/217 Old style: 166/212/463 CHECK the car model correctly before adjust. Old style W166 short circuit to GND New style W222 short circuit to GND Black wire connect to plug 1 Material:ABS Package Contents: 1 * for /for Universal Emulator Only the above package content, other products are not included. Note: Light reflection 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.