Oil Pump Drive Chain Kit with Camshaft, Part Number 11417605366, compatible with N20 and N26 engines.Includes oil pump chain, crank gear, counter balance shaft sprocket, and tensioner guide rails.Designed for fitment on models including 228i, 320i, 328i, 428i, 528i, X3, X4, X5, and Z4 equipped with 2.0L turbocharged inline-4 engines.Confirmed compatibility with model years referenced in the part application list.Manufactured to meet specifications for form, fit, and function.