- It helps protect components like alternator & water pump from undue stress.
- If tensioner is too low, the belt will slip causes noise.
- It maintains the correct amount of tension throughout its duty cycle.
A drive belt tensioner is a pulley mounted on a spring mechanism or adjustable pivot point that is used to keep tension on the engine belts
The bearings are mounted on the engine, they have to be reliable in high-speed rotation and high temperatures.
An auxiliary drive belt mechanism that drives the auxiliary machines such as the alternator, air conditioner, and water pump.
| Specification | |
| Make Compatibility | BMW |
| Material Type | Spare Parts |
| OEM | Yes |
| Model Compatible | E39/E46/M43/M52/M54 |
| Reference Code | 11281433571 |
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