Eccentric Shaft Valvetronic Motor replacement part compatible with N42, N46, and N46N engines.Direct fit for 1 Series (E81, E82, E87, E88), 3 Series (E46, E90, E91, E92, E93), X1 (E84), X3 (E83), and Z4 (E85).Matches OEM specifications for form, fit, and function.Part numbers: 11377548387, A2C53123520, 11377509295, SKP SK914300.Designed as a direct replacement for the eccentric shaft actuator used in Valvetronic systems.Includes one (1) eccentric shaft valvetronic motor.