HomeBelts and Cooling > Accessory Drive Belt System ComponentsFebi 23165 Accessory Drive Belt Idler Pulley
Part #: 23165

Febi 23165 Accessory Drive Belt Idler Pulley

⚙️ 37 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: BMW, 650Ci, 550i, 650i, 750i, 750Li, X5, 545i, 645Ci, 745i, and 745Li
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Overview of Febi Accessory Drive Belt Idler Pulley 23165

The Febi accessory drive belt idler pulley 23165 is designed for select BMW models including the 545i, 550i, 645Ci, 650Ci, 650i, 745i, 745Li, 750i, 750Li, and X5. This component plays a critical role in maintaining proper tension and alignment of the accessory drive belt system.

  • Constructed from durable plastic material for reliable performance
  • Outside diameter measures 70.0 mm ensuring precise fitment
  • Width dimensions of 26.0 mm and 44.0 mm accommodate specific belt configurations
  • Compatible with multiple BMW models for targeted replacement needs
  • Part number 23165 ensures exact match for OEM specifications

Technical Details and Specifications

The Febi idler pulley 23165 features a plastic construction optimized for strength and wear resistance within the accessory drive belt system. Its outside diameter of 70.0 mm and dual width measurements of 26.0 mm and 44.0 mm provide the necessary dimensions to maintain belt tension and alignment. This precision-engineered pulley supports the smooth operation of the accessory drive belt, reducing the risk of slippage or premature wear. The part is specifically designed to fit BMW models such as the 545i, 550i, 645Ci, 650Ci, 650i, 745i, 745Li, 750i, 750Li, and X5, ensuring compatibility and reliable performance.

Applications and Problem Resolution

This accessory drive belt idler pulley is used to maintain proper tension and routing of the accessory drive belt in compatible BMW vehicles. It addresses several common issues including:

  • Excessive belt noise caused by misalignment or wear
  • Premature belt wear due to improper tension
  • Vibration or belt slippage during engine operation
  • Failure of the accessory drive system components
  • Reduced efficiency of belt-driven accessories such as alternator and power steering

Installation Notes and Tips

When installing the Febi idler pulley 23165, ensure the following steps for optimal performance:

  • Verify compatibility with your BMW model and part number 23165 before installation
  • Inspect the accessory drive belt for wear and replace if necessary
  • Use proper torque specifications to avoid over-tightening or under-tightening
  • Check pulley alignment to prevent belt misrouting
  • Lubricate mounting points if recommended by vehicle manufacturer

Quality Assurance and Warranty Information

Febi is known for manufacturing automotive components that meet or exceed OEM standards. The idler pulley 23165 undergoes rigorous quality control to ensure durability and fitment accuracy. While specific warranty details may vary, Febi products typically come with a limited warranty covering defects in material and workmanship, providing confidence in the part’s reliability for your BMW 545i, 550i, 645Ci, 650Ci, 650i, 745i, 745Li, 750i, 750Li, and X5 models.

BrandFebi
Part Number23165
MaterialPlastic
Outside Diameter70.0
Width26.0
Width44.0

This part fits 37 vehicles. Search below:

YearMakeModelPositionNotes
2011BMW650CiN/AAdditional information: for auxiliary belt, with bolt; Outer Diameter 1 (mm): 70; Width 1 (mm): 44; Material: Plastic; Pulley Surface Width (mm): 26
2010BMW550iN/AAdditional information: for auxiliary belt, with bolt; Outer Diameter 1 (mm): 70; Width 1 (mm): 44; Material: Plastic; Pulley Surface Width (mm): 26
2010BMW650CiN/AAdditional information: for auxiliary belt, with bolt; Outer Diameter 1 (mm): 70; Width 1 (mm): 44; Material: Plastic; Pulley Surface Width (mm): 26
2010BMW650iN/AAdditional information: for auxiliary belt, with bolt; Outer Diameter 1 (mm): 70; Width 1 (mm): 44; Material: Plastic; Pulley Surface Width (mm): 26
2009BMW550iN/AAdditional information: for auxiliary belt, with bolt; Outer Diameter 1 (mm): 70; Width 1 (mm): 44; Material: Plastic; Pulley Surface Width (mm): 26
2009BMW650CiN/AAdditional information: for auxiliary belt, with bolt; Outer Diameter 1 (mm): 70; Width 1 (mm): 44; Material: Plastic; Pulley Surface Width (mm): 26
2009BMW650iN/AAdditional information: for auxiliary belt, with bolt; Outer Diameter 1 (mm): 70; Width 1 (mm): 44; Material: Plastic; Pulley Surface Width (mm): 26
2008BMW550iN/AAdditional information: for auxiliary belt, with bolt; Outer Diameter 1 (mm): 70; Width 1 (mm): 44; Material: Plastic; Pulley Surface Width (mm): 26
2008BMW650CiN/AAdditional information: for auxiliary belt, with bolt; Outer Diameter 1 (mm): 70; Width 1 (mm): 44; Material: Plastic; Pulley Surface Width (mm): 26
2008BMW650iN/AAdditional information: for auxiliary belt, with bolt; Outer Diameter 1 (mm): 70; Width 1 (mm): 44; Material: Plastic; Pulley Surface Width (mm): 26
2008BMW750iN/AAdditional information: for auxiliary belt, with bolt; Outer Diameter 1 (mm): 70; Width 1 (mm): 44; Material: Plastic; Pulley Surface Width (mm): 26
2008BMW750LiN/AAdditional information: for auxiliary belt, with bolt; Outer Diameter 1 (mm): 70; Width 1 (mm): 44; Material: Plastic; Pulley Surface Width (mm): 26
2008BMWX5N/AAdditional information: for auxiliary belt, with bolt; Outer Diameter 1 (mm): 70; Width 1 (mm): 44; Material: Plastic; Pulley Surface Width (mm): 26
2007BMW550iN/AAdditional information: for auxiliary belt, with bolt; Outer Diameter 1 (mm): 70; Width 1 (mm): 44; Material: Plastic; Pulley Surface Width (mm): 26
2007BMW650CiN/AAdditional information: for auxiliary belt, with bolt; Outer Diameter 1 (mm): 70; Width 1 (mm): 44; Material: Plastic; Pulley Surface Width (mm): 26
2007BMW650iN/AAdditional information: for auxiliary belt, with bolt; Outer Diameter 1 (mm): 70; Width 1 (mm): 44; Material: Plastic; Pulley Surface Width (mm): 26
2007BMW750iN/AAdditional information: for auxiliary belt, with bolt; Outer Diameter 1 (mm): 70; Width 1 (mm): 44; Material: Plastic; Pulley Surface Width (mm): 26
2007BMW750LiN/AAdditional information: for auxiliary belt, with bolt; Outer Diameter 1 (mm): 70; Width 1 (mm): 44; Material: Plastic; Pulley Surface Width (mm): 26
2007BMWX5N/AAdditional information: for auxiliary belt, with bolt; Outer Diameter 1 (mm): 70; Width 1 (mm): 44; Material: Plastic; Pulley Surface Width (mm): 26
2006BMW550iN/AAdditional information: for auxiliary belt, with bolt; Outer Diameter 1 (mm): 70; Width 1 (mm): 44; Material: Plastic; Pulley Surface Width (mm): 26
2006BMW650CiN/AAdditional information: for auxiliary belt, with bolt; Outer Diameter 1 (mm): 70; Width 1 (mm): 44; Material: Plastic; Pulley Surface Width (mm): 26
2006BMW650iN/AAdditional information: for auxiliary belt, with bolt; Outer Diameter 1 (mm): 70; Width 1 (mm): 44; Material: Plastic; Pulley Surface Width (mm): 26
2006BMW750iN/AAdditional information: for auxiliary belt, with bolt; Outer Diameter 1 (mm): 70; Width 1 (mm): 44; Material: Plastic; Pulley Surface Width (mm): 26
2006BMW750LiN/AAdditional information: for auxiliary belt, with bolt; Outer Diameter 1 (mm): 70; Width 1 (mm): 44; Material: Plastic; Pulley Surface Width (mm): 26
2006BMWX5N/AAdditional information: for auxiliary belt, with bolt; Outer Diameter 1 (mm): 70; Width 1 (mm): 44; Material: Plastic; Pulley Surface Width (mm): 26
2005BMW545iN/AAdditional information: for auxiliary belt, with bolt; Outer Diameter 1 (mm): 70; Width 1 (mm): 44; Material: Plastic; Pulley Surface Width (mm): 26
2005BMW645CiN/AAdditional information: for auxiliary belt, with bolt; Outer Diameter 1 (mm): 70; Width 1 (mm): 44; Material: Plastic; Pulley Surface Width (mm): 26
2005BMW745iN/AAdditional information: for auxiliary belt, with bolt; Outer Diameter 1 (mm): 70; Width 1 (mm): 44; Material: Plastic; Pulley Surface Width (mm): 26
2005BMW745LiN/AAdditional information: for auxiliary belt, with bolt; Outer Diameter 1 (mm): 70; Width 1 (mm): 44; Material: Plastic; Pulley Surface Width (mm): 26
2005BMWX5N/AAdditional information: for auxiliary belt, with bolt; Outer Diameter 1 (mm): 70; Width 1 (mm): 44; Material: Plastic; Pulley Surface Width (mm): 26
2004BMW545iN/AAdditional information: for auxiliary belt, with bolt; Outer Diameter 1 (mm): 70; Width 1 (mm): 44; Material: Plastic; Pulley Surface Width (mm): 26
2004BMW645CiN/AAdditional information: for auxiliary belt, with bolt; Outer Diameter 1 (mm): 70; Width 1 (mm): 44; Material: Plastic; Pulley Surface Width (mm): 26
2004BMW745iN/AAdditional information: for auxiliary belt, with bolt; Outer Diameter 1 (mm): 70; Width 1 (mm): 44; Material: Plastic; Pulley Surface Width (mm): 26
2004BMW745LiN/AAdditional information: for auxiliary belt, with bolt; Outer Diameter 1 (mm): 70; Width 1 (mm): 44; Material: Plastic; Pulley Surface Width (mm): 26
2004BMWX5N/AAdditional information: for auxiliary belt, with bolt; Outer Diameter 1 (mm): 70; Width 1 (mm): 44; Material: Plastic; Pulley Surface Width (mm): 26
2003BMW745iN/AAdditional information: for auxiliary belt, with bolt; Outer Diameter 1 (mm): 70; Width 1 (mm): 44; Material: Plastic; Pulley Surface Width (mm): 26; From Construction Year: 10/2003
2003BMW745LiN/AAdditional information: for auxiliary belt, with bolt; Outer Diameter 1 (mm): 70; Width 1 (mm): 44; Material: Plastic; Pulley Surface Width (mm): 26

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.