Eccentric Shaft Valvetronic Motor for 1 Series, 3 Series, X1, X3 with N42, N46, and N46N engines.Compatible with part numbers 11377548387, A2C53123520, 11377509295, and SKP SK914300. Direct replacement for.Designed to restore factory-correct function of the Valvetronic system.Fits 3 Series (E46) models including Coupe, Touring, Convertible, and Compact (1998–2005); Z4 (E85) (2003–); X3 (E83) (2004–); 1 Series (E81, E82, E87, E88) (2003–2013); 3 Series (E90, E91, E92, E93) (2005–2012). The motor matches dimensions and mounting configuration for direct installation.Professional installation is recommended.Package includes one eccentric shaft valvetronic motor. Before purchase, verify compatibility by comparing part numbers and vehicle application details.