Aluminum Coolant Header Expansion Overflow Water Tank Cap Reservoir Can Car Accessories For 02-08 BMW Mini Cooper S R52 R53 Application: For 02-06 BMW Mini Cooper S R52. For 05-08 BMW Mini Cooper S Convertible R53. Vehicle compatibility charts are for REFERENCE ONLY. Check your vehicle with OEM below to match your needs. OEM: 17137529273, 17137509072. 17107515499, 17117639024, 17132754264. Specification: 100% quality assurance tested, more responsive, less expensive, easier to install. Capacity: About 1.3L. Include a new coolant tank cap. Direct replacement of OEM plastic bottle. Durable, cleanable, attractiveand light weight. Material & Color: Material: made of high qualityAluminum. Color: Silvery/Black. Package Included: 1x Coolant Reservoir Tank With Cap; 2x Washers; 2x Screws.(100% Brand New Never Used Or Installed)