Note: Due to different production batches, labeling is random , don't accept the specified. Colour:black Material:plastic for Seat Occupancy Sensor Emulator Support for series (1997-2010) Support models: 1997-2003: E31, E36, E38, E39, E46, E53, etc. 2003-2007: E60, E63, E65,E87, E90, etc. 2007-2010: E60, E63, E64, E65, E70, E71, E81, E87, E90, E92, E93, etc. 1=ON 2=ON For new cars after 2007, put 1 ON, and 2 ON. Always insert the safety belt. (No matter the seat is occupied or not!) After this, your car will not alarm for seat occupy sensor problem and will not alarm for inserting seat belt. 1=ON 2=OFF For old cars before 2007, put 1 ON, and 2 OFF. Always insert the safety belt. (No matter the seat is occupied or not!) After this, your car will not alarm for seat occupy sensor problem and will not alarm for inserting seat belt. Package Contents: 1 x 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.