- Compatible with MINI Cooper S models (S ONLY, excluding R56) from 2002 to 2008. - OEM part numbers: 17137529273 and 17137509072. - Please refer to the listing pictures for an accurate description of the parts included in the kit. - Direct replacement: This engine coolant reservoir matches the fit and function of the original part. - Durable construction: Manufactured from quality materials to withstand underhood heat and vibration. - Condition: Never used or installed; pristine condition. - Important compatibility note: Please check the description or use the year/make/model dropdown bar and interchangeable part numbers to confirm compatibility before purchasing. If you are unsure whether this item fits your vehicle, please message us. 2-3 practical use scenarios - Scenario 1: Replacing a cracked or leaking coolant reservoir on a MINI Cooper S (2002-2008) to prevent coolant loss and maintain proper cooling system pressure. - Scenario 2: Performing a maintenance or repair to restore the cooling system with an OEM-equivalent reservoir that fits and functions like the original. - Scenario 3: Conducting a cooling system refresh on listed models when replacing aging components, ensuring reliable performance and compatibility with the original design.