Description:

OE Number:11287563927. Fitment: for BMW 335i 3.0L 2007-2013, for BMW 335i xDrive 3.0L 2009-2013, for BMW 335is 3.0L 2011-2013, for BMW 135i 3.0L 2008-2011, for BMW 335d 3.0L 2009, for BMW 335xi 3.0L 2007-2008, for BMW 535i 3.0L 2008-2010, for BMW 535i GT 3.0L 2010, for BMW 535i xDrive 3.0L 2009-2010, for BMW 535xi 3.0L 2008, for BMW 1 Series M 3.0L 2011. Material: This belt tensioner is made of metal material, which is wearable, durable and scratch-resistant.. Function: A belt tensioner or/and idler pulley is a system that guides the serpentine belt and the timing belt on a car engine. The function of a pulley and a tensioner is to limit the belt slip. The belt tensioner can be mechanic (spring-loaded) or hydraulic..