1. The high-quality plastic material makes it wear-resistant and corrosion-resistant, durable, and has a long service life. 2. It is easy to install without complex tools, saving time and effort. 3. Part number: 17137543003, which can replace old or damaged parts. 4. It has stable performance, professional performance, and high reliability. 5. Specifically designed for models such as 2001 - 2008 7 Series convertibles. 6. Name: Coolant overflow expansion tank 7. Item type: Coolant expansion tank 8. Installation position: Front of the vehicle 9. Part numbers: 17137543003, 17137647713, 17138600275, 17137508007, 17130409581, 17130152372 10. Other part numbers: - 17137647713 - 17138600275 - 17137543003 - 17137508007 - 17130409581 - 17130152372 11. Applicable models: [Here, the meaning of "For" is unclear. Specific vehicle model information needs to be supplemented according to the actual situation] 12. Color: Black 13. Material: Plastic 14. Packaging contents: 1 coolant expansion tank 15. Only the above packaging contents are included, and other items are not included. 16. Note: Light reflection and different displays may cause the color of the item to vary slightly from the actual object. The allowable measurement error is ±1 - 3 cm.