1Set Oil Pump Drive Chain Kit 11417605366 For 228 528i 428i 320i X1 X3 X4 X5 Z4 N20 N26 Engine Car Accessories Parts This oil pump drive chain kit is designed for use with N20 and N26 engines.It includes an oil pump chain, crank gear, counter balance shaft sprocket, and tensioner guide rails.The components are constructed from metal and engineered to proper alignment and function within the engine's timing system.This kit supports efficient oil pump and is built for under standard operating conditions.Installation requires no modifications, and the design allows for direct replacement of the existing parts.It is compatible with a range of vehicles equipped with the specified engines.