Oil Pump Drive Chain Kit for 228i 528i 428i 320i X1 X3 X4 X5 Z4 N20 N26 Timing Components Automobile Parts 1Set This oil pump drive chain kit is designed for use with N20 and N26 engines, supporting proper engine timing and oil flow.It is compatible with a range of vehicle models including 228i, 528i, 428i, 320i, X1, X3, X4, X5, and Z4.The kit includes one oil pump chain, one crank gear, one counter balance shaft sprocket, and one tensioner guide rail.Constructed from grade steel and plastic, the components are engineered to support under typical driving conditions.The design allows for direct replacement of parts, fitment without modifications.This setup helps maintain consistent timing performance and improved oil circulation within the engine system.