Description:

[ Applicable Model ] --- This coolant expansion bottle cap is compatible for BMW Mini. The replacing OE number for reference: 17107515485. Diameter: 46mm / 1.8in.. [Stable Performance ] --- Heat resistance and very durable. Helps to prevent the water in the fluid reservoir overflow, ensure your driving safety.. [Quality Material ] --- This expansion tank cap are made of high-quality plastic material, resistant,it is abrasion resistant, , age resistant and high hardness to ensure maximum durability.. [Protection ] --- Anti-rust, delicate design,easy to attach it and won't peel off. This fuel cap cover can prevent the surface of expansion tank cap from scratches, dust, keeping it clear and new all the time.. [Perfect Replacement ] --- All expansion bottle caps are tested before leaving the factory to ensure that the product quality meets the standards. provides a tight seal to keep your vehicle's expansion tank closed, safety your vehicle's occupants, fuel economy and reduce vapor emissionsEasy installation without extra adjustment..