[Part Number] 11288620022 [Fitment] Drive Belt Tensioner Assembly with Pulley for BMW 528i N52N Chassis F10 Sedan 2009-2011, for BMW X3 28iX N52N Chassis F25 SAV 2009-2012. [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] 1x Drive Belt Tension Pulley. Please confirm your car model and OE number before purchasing. Please check relevant operation video when you replace it. OE Number:
11288620022

Fitment:
for BMW 528i N52N Chassis F10 Sedan 2009-2011
for BMW X3 28iX N52N Chassis F25 SAV 2009-2012

Feature:
Please kindly check the item description and photos to make sure it is suitable for your car before ordering.
Please allow slight dimension difference due to different manual measurements.
Easy to install, direct replacement for the old or broken one.
This is a non-OEM product, accessory only!

Specification:
Type: Tension Pulley
Other Name: Tensioner Pulley, Drive Belt Idler Pulley, Belt Tensioner
Condition: Brand New
Color: Black Silver Tone
Material: Metal
Size: 14.8x9.6x6.9cm / 5.83"x3.78"x2.72"(L*W*H)
Fitment Type: Direct Replacement

Package:
1 Pcs Drive Belt Tensioner Assembly