Piston Diameter [mm]: 22; TecDoc Engine Number: 18038, 18167, 18358, 18517; Construction Year from: 02/2006, 04/1998, 04/2004, 09/2000, 09/2001, 09/2006; Construction Year to: 03/2003, 03/2004, 03/2005, 03/2008, 04/2003, 05/2006, 07/2008, 08/2006, 08/2008, 09/2000, 09/2002, 11/2005, 12/2004; Engine Code: 25 6S 4, N40 B16A; Transmission Type: not for sequential manual transmission; BMW: 3 Limousine (E46),3 Touring (E46),X3 (E83),3 Coupe (E46),Z4 Roadster (E85),3 Cabrio (E46),3 Compact (E46),Z4 Coupe (E86); 21521164919, 21526766279, 21526775922, 21526785966, EB4000; Clutch Slave Cylinder,Slave Cylinder, clutch