This Rein Automotive Cap-Expansion Tank CPE0030P is a direct replacement for BMW x3, x5, z3, z4, z8, 3, 5, 7, and 8 Series. It is made of durable plastic material and has a screw-on mounting style. The tank cap has a 2.0 BAR pressure rating and is designed to fit perfectly without any universal fitment. This product does not come with any warranty or custom bundle. It is a genuine item from Germany and has been durability tested to ensure its quality. The tank cap is black in color and has a manufacturer part number of CPE0030P. It is compatible with various interchange part numbers such as 17111742231 and 10247. Please refer to the provided aspects for more detailed information about this product.