Shop OEM BMW Part # 11281709613 (11-28-1-709-613). Accessory Drive Belt Tensioner. 4.0 & 4.4 LITER, alternator belt. 4.4, 4.6 & 4.8 LITER, 2000-03, alt, water pump. 540I 1998-03, alternator

Tensioner. Belt. Accessory Drive. Relt. Serpentine.
Accessory Drive Belt Tensioner. For Serpentine Belt.

Accessory Drive Belt Tensioner

Fits 540i, 740i, 740iL, M5, X5

4.0 & 4.4 LITER, alternator belt. 4.4, 4.6 & 4.8 LITER, 2000-03, alt, water pump. 540I 1998-03, alternator belt. 540i; Water Pump & Alt. 740i, 740iL; Water Pump & Alt. M5, alternator belt. M5; Water Pump & Alt. X5; 4.4L. X5; 4.6L.
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 .