Valvetronic Eccentric Shaft Motor FOR N42 N46 N46N Engine 11377548387.This direct replacement actuator is designed to restore valvetronic system function.The package includes one valvetronic eccentric shaft motor.Reference numbers include 11377548387, A2C53123520, 11377509295, and SKP SK914300.Compatible vehicles include 3 Series E46 (1998-2005), 3 Coupe E46 (1999-2006), 3 Touring E46 (1999-2005), 3 Convertible E46 (2000-2007), 3 Compact E46 (2001-2005), Z4 E85 (2003 onwards), X3 E83 (2004 onwards), 1 Series E81 (2006-2012), 3 Series E90 (2005-2011), 3 Touring E91 (2005-2012), 3 Coupe E92 (2006 onwards), 3 Convertible E93 (2006 onwards), 1 Coupe E82 (2007 onwards), 1 Convertible E88 (2008 onwards), X1 E84 (2009 onwards), and 1 Series E87 (2003-2013).Installation involves removing the existing motor, connecting the unit to the vehicle electrical system, mounting it in the designated location, securing with appropriate fasteners, and verifying proper of the valvetronic system.