[Fitment] Belt Tensioner Assembly with Pulley for BMW 740Li 3.0L 2011-2012, for BMW 740i 3.0L 2011-2012, for BMW X6 xDrive35i 3.0L 2008-2011
[Pros] 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.
[Package] 1 Pcs Car Drive Belt Tension Pulley. Please confirm your car model and OE number before purchasing. Please check relevant operation video when you replace it.
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