Aux Belt Tensioner - Febi - 49511

This Aux Belt Tensioner from Febi is designed for V-ribbed belt systems. It features an outer diam...

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Product Information

Full details

This guide provides essential information for owners and mechanics using the Febi Aux Belt Tensioner (49511). Designed for a variety of BMW models, this tensioner ensures optimal performance of your vehicle's belt system. While known for its durability and precise engineering, proper installation and regular inspection are key to long-term reliability.

All features

Model Part Number49511
BrandFebi

Extended Product Information

FAQs

What is the OE number for this tensioner?

The OE number is 11 28 8 604 266.

What materials are used in the construction?

The housing is made of aluminum, and the track roller is made of plastic.

What BMW models is this tensioner compatible with?

It is compatible with various BMW models including the 1, 2, 3, 4, 5, 6, 7 Series, X3, X4, X5, and X6. Check the compatibility list in the guide or use a vehicle identification tool to confirm fitment.

Should I replace the belt when replacing the tensioner?

It is recommended to replace the belt when replacing the tensioner to ensure optimal performance.

What are the dimensions of the tensioner?

The outer diameter is 70 mm, and the width is 32 mm.

Can I install this tensioner myself?

Installation is recommended to be performed by a qualified mechanic to ensure proper fit and function.

What should I do if the tensioner fails?

If the tensioner fails, replace it immediately to prevent damage to other engine components.

Troubleshooting

Squealing or chirping noise from the engine.

Inspect the tensioner and belt for wear. Replace the tensioner and/or belt as needed. Check for correct belt alignment.

Battery not charging.

Check the belt tension and condition. Ensure the alternator is functioning correctly. Replace the tensioner if the belt is slipping.

Power steering failure.

Inspect the belt and tensioner. Check the power steering pump. Replace the tensioner and/or belt if necessary.

Pros and Cons

Pros

  • Ensures optimal performance of the V-ribbed belt system.
  • Durable materials offer a long service life.
  • Designed for automatic operation, reducing maintenance.
  • Direct fit for specified BMW models, simplifying installation.
  • Manufactured by Febi, a reputable brand.
  • Helps prevent belt slippage and related issues.

Cons

  • Requires professional installation to ensure correct fit and function.
  • Specific to certain BMW models; compatibility is limited.
  • Failure can lead to serious engine issues if not addressed promptly.
  • Requires periodic inspection to ensure proper function.
  • Replacement requires removing and reinstalling the belt system, which may be time consuming.

Setup, Compatibility & Care

Compatibility: This tensioner is compatible with the following BMW models:

  • 1 Series (F20, F21)
  • 2 Series (F22, F23, F87)
  • 3 Series (F30, F31, F34, F35, F80)
  • 4 Series (F32, F33, F36, F82, F83)
  • 5 Series (F07, F10, F11, F18)
  • 6 Series (F06, F12, F13)
  • 7 Series (F01, F02)
  • X3 (F25)
  • X4 (F26)
  • X5 (E70 LCI, F15)
  • X6 (E71, F16)

Setup: Installation should be performed by a qualified mechanic. Ensure that the correct tensioner is installed for your specific vehicle model using the vehicle identification tool.

Care: Regularly inspect the tensioner and belt for signs of wear, such as cracks, fraying, or unusual noises. Follow the manufacturer's recommendations for belt replacement intervals.