Tensioner

F25 Tensioner

FOR BMW X3 F25 2011-14

For your BMW X3 Series, the belt tensioner is a crucial component that ensures the serpentine belt is properly tensioned. Here’s a description of the belt tensioner:

Functionality
1. Belt Tensioning: The tensioner is responsible for maintaining the correct tension on the serpentine belt, which drives various engine accessories such as the alternator, power steering pump, and air conditioning compressor.
2. Automatic Tensioning: The tensioner automatically adjusts the belt tension as the belt wears out, ensuring optimal performance and preventing belt slippage.