Weight [kg]: 0,063; Number of ribs: 4; Length [mm]: 811; Article number of the recommended special tool: UNI TOOL ELAST; Driven Units: Power steering pump; Construction Year from: 06/2005, 09/2006, 06/2006, 07/2007, 09/2008, 04/2010; Construction Year to: 08/2008, 02/2010, 12/2009; Engine Code: M57 N2; BMW: 3 Touring (E91),3 Limousine (E90),3 Coupe (E92),3 Cabrio (E93); 11287794070, 32427794070, 7794070, 4PK790, 4PK790ELAST, 4PK811, 4PK811790ELAST; Serpentine belt,Auxiliary belt,Poly V-belt,Ribbed belt,Multi V-belt,Poly belt