Tensioner. Belt. Accessory Drive Assembly. Mechanical. Serpentine.
Assembled device that applies load to the Drive Belt.
Accessory Drive Belt Tensioner Assembly
Fits 528i, X3
3.0 LITER W/O TURBO. 528i; 3.0L. X3; 28i Series.
Drive Belt Tensioner - Repair or Replace
A squeaking or squealing noise from your engine bay is usually due to a loose drive belt. Consider replacing the drive belt tensioner on your .