How much does it cost to replace a tensioner belt?

To get the belt tensioner replaced, you will pay anywhere from $140 to almost $400. The price of parts and labor varies from one car to the next, with most labor costs coming in at about $70 or $80.

What does a bad tensioner sound like?

When the tensioner or tensioner pulley fails, the loss of tension can cause the belt and pulleys to make high-pitched rattling or chirping noises. If the pulley bearing completely fails, it can also cause a squealing or even a grinding noise. Symptom 2: Knocking or slapping.

Should I replace the tensioner when I replace the serpentine belt?

Tensioners add pressure from an adjustable pivot point or spring mechanism to keep your serpentine belt taut as it circulates around the engine. There is no recommended timeframe in which to replace your tensioner, especially as the belt itself usually needs replacing before the tensioner does.

What kind of belts do BMWs have?

We offer Genuine OEM BMW replacement alternator belts, drive belts, serpentine belts, power steering belts, and A/C belts, along with BMW belt tensioners, pulleys, and components to keep your engine and engine accessories running smoothly.

How do you remove a belt from a belt tensioner pulley?

Using a T50 torx bit and a long handle socket wrench, turn the tensioner pulley clockwise to release the pressure on the main accessory belt. With the pressure off of the main accessory belt, reach down and pull the belt off of the tensioner pulley.

What does the BMW E60 main accessory belt do?

The BMW E60 main accessory belt, also known as the serpentine belt, harnesses the power from the crankshaft pulley to operate the alternator, power steering pump and air conditioning compressor ( the water pump on 2006-2010 5 series vehicles with the N52 engine is electric and is not driven by the serpentine belt like in earlier models ).

What are the engine accessories on a BMW E60 N54?

Engine accessories on BMW E60 N54 (turbocharged) engines consist of the power steering pump, the alternator and the AC compressor. A single multi-ribbed engine drive belt (often called the serpentine belt) is driven by the crankshaft pulley (vibration damper) and drives the accessories pulleys at the front of the engine.