Genuine OEM BMW Valve Cover, part number 11127638639. This valve cover seals the cylinder head, preventing oil from escaping and contaminants from entering the engine. It also houses the camshafts and associated valvetrain components. Constructed from high-quality aluminum for durability and heat resistance, this valve cover ensures optimal engine performance and longevity. Genuine OEM parts are manufactured to exact specifications for a perfect fit and reliable operation.