AC Schnitzer ACS Chrome Engine Oil Cap for All BMW ACS Engraved CHROME ENGINE ALUMINUM METAL BILLET OIL CAP for almost all BMW Extremely Duarable High Quality Chrome Finished Fits E30, E31 E32, E34, E36, E38, E39, E46, E60, Z3, Z4, Z8 and X3, X5 Super High Quality with Chrome Finish. Easy installation