Eccentric Shaft Valvetronic Motor replacement part.Compatible with models equipped with N42, N46, and N46N engines.Direct replacement for OEM part numbers 11377548387, A2C53123520, 11377509295, and SKP SK914300.Fits 1 Series (E81, E82, E87, E88), 3 Series (E46, E90, E91, E92, E93), X1 (E84), X3 (E83), Z4 (E85), and related Coupe, Touring, Convertible, and Compact variants.Designed to restore valvetronic system.Dimensions match for direct fitment.Includes one eccentric shaft valvetronic motor.