The Elring Injector Well Gasket is a high-quality gasket designed for BMW engines such as the N55, S55, N20, and N26. Made by the reputable brand ELRING in Germany, this gasket is specifically designed for the inner fitting position of the cylinder head cover. With manufacturer part number 655.581 and reference numbers BMW 11 12 7 589 830, MEC-DIESEL 920143, and ELWIS ROYAL 1515461, this gasket ensures a reliable seal for your engine, providing peace of mind for your vehicle's performance.