Genuine OEM BMW Cylinder Head Cover Gasket Set, part number 11129894803. This gasket set is crucial for sealing the cylinder head cover against the engine block, preventing oil leaks and maintaining internal engine pressure. It is typically located on the top of the engine, covering the valvetrain components. Made from durable rubber or composite materials designed to withstand engine heat and oil exposure. Genuine OEM gaskets provide exact fitment and material specifications for reliable sealing and long service life.