These BMW tyre valve caps come as a set of four paired with a matching keychain, offering a subtle way to personalize your vehicle's details. Crafted from wear-resistant aluminum with a modern black finish, the caps are designed to screw onto most standard valves without the need for any tools. To ensure a reliable seal, each cap features an internal gasket that keeps dirt, dust, and moisture out of the valve stem. The aluminum is treated to resist corrosion from weather exposure, while the vibration-resistant design ensures they stay securely in place even when driving on rough roads. This set is a practical choice for owners who want to protect their tires while maintaining a clean, coordinated look.