1. This part is plug-and-play. 2. Adaptation type: Direct installation. 3. Please confirm the part number before purchasing, or compare it with the items in the picture and pay attention to the details and special parts. 4. Type: Headlight ballast. 5. Part numbers: - 63117258278 - 7258278 - 63 11 7 258 278 - 63117267045 - 7267045 - 63 11 7 267 045 - 63117304906 - 7304906 - 63 11 7 304 906 - 535051806, 535051807 6. Compatible vehicle models: - Suitable for pre-facelift models of the 2010, 2011, 2012, and 2013 5 Series F10. - Suitable for pre-facelift models of the 2010, 2011, 2012, and 2013 5 Series F11. - Suitable for pre-facelift models of the 2008, 2009, 2010, 2011, 2012, and 2013 5 Series F07 GT. 7. Colors: Green and black. 8. Material: Plastic. 9. Package contents: 1 headlight ballast. 10. Only the above package contents are included, and no other products are included. 11. Note: Light reflection and different displays may cause the color of the items in the picture to be slightly different from the actual product. The allowable measurement error is plus or minus 1 - 3 centimeters.