Oil pump drive chain kit designed for use with N42 and N46 engines.This kit includes all necessary components for installation: 1 x chain for oil pump, 1 x crank gear, 1 x gear for oil pump, 1 x tensioner for oil pump, and 1 x guide for oil pump.Direct replacement for part numbers 11417505842S1, 11317502180, and 11317507551.Compatible with vehicle models equipped with N42 and N46 engine codes, including E90, E91, E93, E46, E84, and X3 variants.Ensures proper fitment without the need for modifications.Suitable for applications in 118i, 120i, and 318i models within specified production years.