Description:

[Part Number] 11287594969. [Fitment] for BMW 228i 2014-2016, for BMW 228i xDrive 2015-2016, for BMW 320i 2013-2018, for BMW 320i xDrive 2013-2018, for BMW 328i 2012-2016, for BMW 328i GT xDrive 2014-2016, for BMW 328i xDrive 2013-2016, for BMW 428i 2014-2016, for BMW 428i Gran Coupe 2015-2016, for BMW 428i xDrive 2014-2016, for BMW 428i xDrive Gran Coupe 2015-2016, for BMW 528i 2012-2016, for BMW 528i xDrive 2012-2016, for BMW M2 2016, for BMW X1 2013-2015, for BMW X3 2013-2017, for BMW X4 2015-2018, for BMW Z4 2012-2016.. [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..