Replace BMW 330 Series Valve Cover Gasket Cost. Shop BMW 330 Series Valve Cover Gaskets Near Me & BMW 330 Series Engine Valve Cover Gasket. Maintaining the valve cover gaskets in your BMW 330 Series is crucial to prevent oil leaks and potential engine damage. Regularly checking for signs of wear, such as oil stains or an acrid smell under the hood, can indicate the need for replacement. To extend their lifespan, ensure proper torque application during installation and use high-quality gaskets made of durable materials like silicone or multi-layered steel. When choosing a replacement, opt for OEM-equivalent or better gaskets to guarantee a precise fit and long-term sealing performance. Proper installation is key, so always clean the gasket surface thoroughly before fitting the new gasket to prevent future leaks.