Usage Tips: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 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.