X AUTOHAUX Car Drive Belt Tension Pulley
X AUTOHAUX Car Drive Belt Tension Pulley No.11-28-7-530-314/11-28-8-624-196 [Part Number] No.11-28-7-530-314/11-28-8-624-196 [Fitment] for BMW 128i 135i 325i 325xi 328i 328xi 330i 525i 525xi 528i 328xi 330i 330xi 525i 525xi 528i 530i 530xi 535i 535xi M3 X3 X5 Z4 [Pros] Easy to install, manufactured according to the original dimensions, fully adapted. [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] 1x Serpentine Tensioner....