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Febi 21629 Accessory Drive Belt Tensioner Assembly
| Brand | Febi 21629 |
|---|---|
| Housing Material | Aluminium |
| Material | Plastic |
| Operating Mode | automatic |
| Outside Diameter | 70.0 |
| Width | 26.0 |
| Fits | BMW · 29 vehicles |
Automatic tensioning. Maintains proper accessory drive belt tension without manual adjustment.
Aluminium housing. Lightweight construction with a durable metal housing.
Plastic pulley. Smooth-running design for accessory drive belt systems.
Cross-references 11 28 0 150 310, 11 28 0 392 123 and 11 28 0 415 304 for the same application. See all 6.
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Accessory Drive Belt Tensioner for BMW V8 Applications
Febi 21629 is an automatic accessory drive belt tensioner assembly built for auxiliary belt service on select BMW V8 models. It uses an aluminium housing with a plastic pulley and a 70.0 mm outside diameter, with a 26.0 mm pulley surface width for the specified belt system.
Key Features
- Automatic operating mode for accessory drive belt tension control
- Aluminium housing for the tensioner assembly
- Plastic pulley material
- 70.0 mm outside diameter
- 26.0 mm pulley surface width
- Direct replacement reference: Febi 21629
Detailed Description
This accessory drive belt tensioner assembly is specified for the auxiliary belt system on BMW 750i, BMW 760Li, BMW X5, BMW 550i, BMW 650i, BMW 760i, BMW 545i, BMW 645Ci, and BMW 745i applications listed below. Febi 21629 matches the stated housing material, pulley material, and pulley dimensions for the intended belt drive setup, helping maintain proper belt tension in the accessory drive system. This part cross-references OE-style part numbers 11 28 0 150 310 and 11 28 0 392 123 for the same application.
What It Is Used For
- Correcting belt tension issues in the auxiliary drive system
- Replacing a worn or noisy automatic tensioner assembly
- Addressing belt slip caused by weak tension control
- Restoring stable accessory belt tracking on BMW V8 engines
- Replacing a damaged pulley or tensioner housing in the belt drive system
Installation Notes and Tips
- Verify the auxiliary belt application before installation.
- Match the 70.0 mm outside diameter and 26.0 mm pulley width to the original unit.
- Inspect the accessory belt, pulleys, and related idlers for wear before reassembly.
- Confirm the OE reference numbers and vehicle application against the existing part.
Quality Assurance
Febi manufactures this tensioner assembly with an aluminium housing and plastic pulley construction specified for the listed BMW applications. Part number 21629 is built to the stated dimensions and operating mode for the accessory drive belt system.
This part fits 29 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2008 | BMW | 750i | N/A | Additional information: for auxiliary belt; Outer Diameter 1 (mm): 70; Operating Mode: automatic; Housing Material: Aluminium; Pulley Material: Plastic; Pulley Surface Width (mm): 26 |
| 2008 | BMW | 760Li | N/A | Additional information: for auxiliary belt; Outer Diameter 1 (mm): 70; Operating Mode: automatic; Housing Material: Aluminium; Pulley Material: Plastic; Pulley Surface Width (mm): 26 |
| 2008 | BMW | X5 | N/A | Additional information: for auxiliary belt; Outer Diameter 1 (mm): 70; Operating Mode: automatic; Housing Material: Aluminium; Pulley Material: Plastic; Pulley Surface Width (mm): 26 |
| 2007 | BMW | 550i | N/A | Additional information: for auxiliary belt; Outer Diameter 1 (mm): 70; Operating Mode: automatic; Housing Material: Aluminium; Pulley Material: Plastic; Pulley Surface Width (mm): 26 |
| 2007 | BMW | 650i | N/A | Additional information: for auxiliary belt; Outer Diameter 1 (mm): 70; Operating Mode: automatic; Housing Material: Aluminium; Pulley Material: Plastic; Pulley Surface Width (mm): 26 |
| 2007 | BMW | 750i | N/A | Additional information: for auxiliary belt; Outer Diameter 1 (mm): 70; Operating Mode: automatic; Housing Material: Aluminium; Pulley Material: Plastic; Pulley Surface Width (mm): 26 |
| 2007 | BMW | 760Li | N/A | Additional information: for auxiliary belt; Outer Diameter 1 (mm): 70; Operating Mode: automatic; Housing Material: Aluminium; Pulley Material: Plastic; Pulley Surface Width (mm): 26 |
| 2007 | BMW | X5 | N/A | Additional information: for auxiliary belt; Outer Diameter 1 (mm): 70; Operating Mode: automatic; Housing Material: Aluminium; Pulley Material: Plastic; Pulley Surface Width (mm): 26 |
| 2006 | BMW | 550i | N/A | Additional information: for auxiliary belt; Outer Diameter 1 (mm): 70; Operating Mode: automatic; Housing Material: Aluminium; Pulley Material: Plastic; Pulley Surface Width (mm): 26 |
| 2006 | BMW | 650i | N/A | Additional information: for auxiliary belt; Outer Diameter 1 (mm): 70; Operating Mode: automatic; Housing Material: Aluminium; Pulley Material: Plastic; Pulley Surface Width (mm): 26 |
| 2006 | BMW | 750i | N/A | Additional information: for auxiliary belt; Outer Diameter 1 (mm): 70; Operating Mode: automatic; Housing Material: Aluminium; Pulley Material: Plastic; Pulley Surface Width (mm): 26 |
| 2006 | BMW | 760i | N/A | Additional information: for auxiliary belt; Outer Diameter 1 (mm): 70; Operating Mode: automatic; Housing Material: Aluminium; Pulley Material: Plastic; Pulley Surface Width (mm): 26 |
| 2006 | BMW | 760Li | N/A | Additional information: for auxiliary belt; Outer Diameter 1 (mm): 70; Operating Mode: automatic; Housing Material: Aluminium; Pulley Material: Plastic; Pulley Surface Width (mm): 26 |
| 2006 | BMW | X5 | N/A | Additional information: for auxiliary belt; Outer Diameter 1 (mm): 70; Operating Mode: automatic; Housing Material: Aluminium; Pulley Material: Plastic; Pulley Surface Width (mm): 26 |
| 2005 | BMW | 545i | N/A | Additional information: for auxiliary belt; Outer Diameter 1 (mm): 70; Operating Mode: automatic; Housing Material: Aluminium; Pulley Material: Plastic; Pulley Surface Width (mm): 26 |
| 2005 | BMW | 645Ci | N/A | Additional information: for auxiliary belt; Outer Diameter 1 (mm): 70; Operating Mode: automatic; Housing Material: Aluminium; Pulley Material: Plastic; Pulley Surface Width (mm): 26 |
| 2005 | BMW | 745i | N/A | Additional information: for auxiliary belt; Outer Diameter 1 (mm): 70; Operating Mode: automatic; Housing Material: Aluminium; Pulley Material: Plastic; Pulley Surface Width (mm): 26 |
| 2005 | BMW | 760i | N/A | Additional information: for auxiliary belt; Outer Diameter 1 (mm): 70; Operating Mode: automatic; Housing Material: Aluminium; Pulley Material: Plastic; Pulley Surface Width (mm): 26 |
| 2005 | BMW | 760Li | N/A | Additional information: for auxiliary belt; Outer Diameter 1 (mm): 70; Operating Mode: automatic; Housing Material: Aluminium; Pulley Material: Plastic; Pulley Surface Width (mm): 26 |
| 2005 | BMW | X5 | N/A | Additional information: for auxiliary belt; Outer Diameter 1 (mm): 70; Operating Mode: automatic; Housing Material: Aluminium; Pulley Material: Plastic; Pulley Surface Width (mm): 26 |
| 2004 | BMW | 545i | N/A | Additional information: for auxiliary belt; Outer Diameter 1 (mm): 70; Operating Mode: automatic; Housing Material: Aluminium; Pulley Material: Plastic; Pulley Surface Width (mm): 26 |
| 2004 | BMW | 645Ci | N/A | Additional information: for auxiliary belt; Outer Diameter 1 (mm): 70; Operating Mode: automatic; Housing Material: Aluminium; Pulley Material: Plastic; Pulley Surface Width (mm): 26 |
| 2004 | BMW | 745i | N/A | Additional information: for auxiliary belt; Outer Diameter 1 (mm): 70; Operating Mode: automatic; Housing Material: Aluminium; Pulley Material: Plastic; Pulley Surface Width (mm): 26 |
| 2004 | BMW | 760i | N/A | Additional information: for auxiliary belt; Outer Diameter 1 (mm): 70; Operating Mode: automatic; Housing Material: Aluminium; Pulley Material: Plastic; Pulley Surface Width (mm): 26 |
| 2004 | BMW | 760Li | N/A | Additional information: for auxiliary belt; Outer Diameter 1 (mm): 70; Operating Mode: automatic; Housing Material: Aluminium; Pulley Material: Plastic; Pulley Surface Width (mm): 26 |
| 2004 | BMW | X5 | N/A | Additional information: for auxiliary belt; Outer Diameter 1 (mm): 70; Operating Mode: automatic; Housing Material: Aluminium; Pulley Material: Plastic; Pulley Surface Width (mm): 26 |
| 2003 | BMW | 745i | N/A | Additional information: for auxiliary belt; Outer Diameter 1 (mm): 70; Operating Mode: automatic; Housing Material: Aluminium; Pulley Material: Plastic; Pulley Surface Width (mm): 26 |
| 2003 | BMW | 760Li | N/A | Additional information: for auxiliary belt; Outer Diameter 1 (mm): 70; Operating Mode: automatic; Housing Material: Aluminium; Pulley Material: Plastic; Pulley Surface Width (mm): 26 |
| 2002 | BMW | 745i | N/A | Additional information: for auxiliary belt; Outer Diameter 1 (mm): 70; Operating Mode: automatic; Housing Material: Aluminium; Pulley Material: Plastic; Pulley Surface Width (mm): 26 |
| No rows match your filter. | ||||
Directly replaces or cross-references 6 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
11 28 0 150 31011 28 0 392 12311 28 0 415 30411 28 7 505 22411 28 7 542 68011 28 7 549 588