Febi
PROKIT

Febi 33614 Engine Crankshaft Pulley

Brand Febi 33614
Inside Diameter 37.0
No. of Ribs 6
Outside Diameter 173.0
Parameter 4PK + 6PK
Width 68.0
Product line PROKIT
Fits BMW · 31 vehicles

Dual-belt design. Supports 4PK + 6PK belt routing in one crankshaft pulley.

Six-rib pulley. Provides secure belt engagement for smoother power transfer.

PROKIT line. Febi’s kit-focused offering for engine components.

Cross-references 11 23 7 568 345 for the same application. See all 1.

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BMW Crankshaft Pulley for OE-Style Engine Service

Febi PROKIT 33614 is an engine crankshaft pulley for BMW applications that use a 6-rib belt layout and a 4PK + 6PK parameter. It is specified for crankshaft mounting with bolts and matches the listed OE dimensions for accurate replacement service on select BMW 550i, 650i, 750i, 750Li, X5, 545i, 645Ci, 745i, and 745Li models.

Key Features

  • Engine crankshaft pulley for BMW V8 applications
  • Inside diameter: 37.0 mm
  • Outside diameter: 173.0 mm
  • Width: 68.0 mm
  • 6-rib belt design with 4PK + 6PK parameter
  • For crankshaft mounting with bolts
  • Febi PROKIT 33614 for OE-style fitment

Fitment Details

Compatible with select BMW models across 2002-2010, including BMW 550i, BMW 650i, BMW 750i, BMW 750Li, BMW X5, BMW 545i, BMW 645Ci, BMW 745i, and BMW 745Li. This part cross-references BMW OE part number 11 23 7 568 345 for the same application.

What This Part Helps Address

  • Crankshaft pulley wear or damage
  • Belt tracking issues caused by pulley dimension mismatch
  • Accessory drive vibration from a worn pulley assembly
  • Noise from a deteriorated crankshaft pulley surface or fitment issue
  • Incorrect belt alignment on 4PK + 6PK drive setups

Installation Notes and Tips

Verify the inside diameter, outside diameter, width, and rib count before installation. This Febi PROKIT 33614 pulley is listed for crankshaft use with bolts, so confirm the engine configuration and OE reference before service. Match the belt routing and inspect the accessory drive components at the same time to help ensure proper alignment on BMW 550i, BMW 650i, and BMW X5 applications.

Quality Assurance

Febi PROKIT identifies a product line focused on application-specific engine service parts with OE-referenced dimensions and fitment data. The listed OE cross-reference supports direct replacement selection for the confirmed BMW applications.

This part fits 31 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2010BMW550iN/AAdditional information: for crankshaft, with bolts; Inner Diameter 1 (mm): 37; Outer Diameter 1 (mm): 173; Width 1 (mm): 68; No. of Ribs: 6; Parameter: 4PK + 6PK; PROKIT
2010BMW650iN/AAdditional information: for crankshaft, with bolts; Inner Diameter 1 (mm): 37; Outer Diameter 1 (mm): 173; Width 1 (mm): 68; No. of Ribs: 6; Parameter: 4PK + 6PK; PROKIT
2009BMW550iN/AAdditional information: for crankshaft, with bolts; Inner Diameter 1 (mm): 37; Outer Diameter 1 (mm): 173; Width 1 (mm): 68; No. of Ribs: 6; Parameter: 4PK + 6PK; PROKIT
2009BMW650iN/AAdditional information: for crankshaft, with bolts; Inner Diameter 1 (mm): 37; Outer Diameter 1 (mm): 173; Width 1 (mm): 68; No. of Ribs: 6; Parameter: 4PK + 6PK; PROKIT
2008BMW550iN/AAdditional information: for crankshaft, with bolts; Inner Diameter 1 (mm): 37; Outer Diameter 1 (mm): 173; Width 1 (mm): 68; No. of Ribs: 6; Parameter: 4PK + 6PK; PROKIT
2008BMW650iN/AAdditional information: for crankshaft, with bolts; Inner Diameter 1 (mm): 37; Outer Diameter 1 (mm): 173; Width 1 (mm): 68; No. of Ribs: 6; Parameter: 4PK + 6PK; PROKIT
2008BMW750iN/AAdditional information: for crankshaft, with bolts; Inner Diameter 1 (mm): 37; Outer Diameter 1 (mm): 173; Width 1 (mm): 68; No. of Ribs: 6; Parameter: 4PK + 6PK; PROKIT
2008BMW750LiN/AAdditional information: for crankshaft, with bolts; Inner Diameter 1 (mm): 37; Outer Diameter 1 (mm): 173; Width 1 (mm): 68; No. of Ribs: 6; Parameter: 4PK + 6PK; PROKIT
2007BMW550iN/AAdditional information: for crankshaft, with bolts; Inner Diameter 1 (mm): 37; Outer Diameter 1 (mm): 173; Width 1 (mm): 68; No. of Ribs: 6; Parameter: 4PK + 6PK; PROKIT
2007BMW650iN/AAdditional information: for crankshaft, with bolts; Inner Diameter 1 (mm): 37; Outer Diameter 1 (mm): 173; Width 1 (mm): 68; No. of Ribs: 6; Parameter: 4PK + 6PK; PROKIT
2007BMW750iN/AAdditional information: for crankshaft, with bolts; Inner Diameter 1 (mm): 37; Outer Diameter 1 (mm): 173; Width 1 (mm): 68; No. of Ribs: 6; Parameter: 4PK + 6PK; PROKIT
2007BMW750LiN/AAdditional information: for crankshaft, with bolts; Inner Diameter 1 (mm): 37; Outer Diameter 1 (mm): 173; Width 1 (mm): 68; No. of Ribs: 6; Parameter: 4PK + 6PK; PROKIT
2006BMW550iN/AAdditional information: for crankshaft, with bolts; Inner Diameter 1 (mm): 37; Outer Diameter 1 (mm): 173; Width 1 (mm): 68; No. of Ribs: 6; Parameter: 4PK + 6PK; PROKIT
2006BMW650iN/AAdditional information: for crankshaft, with bolts; Inner Diameter 1 (mm): 37; Outer Diameter 1 (mm): 173; Width 1 (mm): 68; No. of Ribs: 6; Parameter: 4PK + 6PK; PROKIT
2006BMW750iN/AAdditional information: for crankshaft, with bolts; Inner Diameter 1 (mm): 37; Outer Diameter 1 (mm): 173; Width 1 (mm): 68; No. of Ribs: 6; Parameter: 4PK + 6PK; PROKIT
2006BMW750LiN/AAdditional information: for crankshaft, with bolts; Inner Diameter 1 (mm): 37; Outer Diameter 1 (mm): 173; Width 1 (mm): 68; No. of Ribs: 6; Parameter: 4PK + 6PK; PROKIT
2006BMWX5N/AAdditional information: for crankshaft, with bolts; Inner Diameter 1 (mm): 37; Outer Diameter 1 (mm): 173; Width 1 (mm): 68; No. of Ribs: 6; Parameter: 4PK + 6PK; PROKIT
2005BMW545iN/AAdditional information: for crankshaft, with bolts; Inner Diameter 1 (mm): 37; Outer Diameter 1 (mm): 173; Width 1 (mm): 68; No. of Ribs: 6; Parameter: 4PK + 6PK; PROKIT
2005BMW645CiN/AAdditional information: for crankshaft, with bolts; Inner Diameter 1 (mm): 37; Outer Diameter 1 (mm): 173; Width 1 (mm): 68; No. of Ribs: 6; Parameter: 4PK + 6PK; PROKIT
2005BMW745iN/AAdditional information: for crankshaft, with bolts; Inner Diameter 1 (mm): 37; Outer Diameter 1 (mm): 173; Width 1 (mm): 68; No. of Ribs: 6; Parameter: 4PK + 6PK; PROKIT
2005BMW745LiN/AAdditional information: for crankshaft, with bolts; Inner Diameter 1 (mm): 37; Outer Diameter 1 (mm): 173; Width 1 (mm): 68; No. of Ribs: 6; Parameter: 4PK + 6PK; PROKIT
2005BMWX5N/AAdditional information: for crankshaft, with bolts; Inner Diameter 1 (mm): 37; Outer Diameter 1 (mm): 173; Width 1 (mm): 68; No. of Ribs: 6; Parameter: 4PK + 6PK; PROKIT
2004BMW545iN/AAdditional information: for crankshaft, with bolts; Inner Diameter 1 (mm): 37; Outer Diameter 1 (mm): 173; Width 1 (mm): 68; No. of Ribs: 6; Parameter: 4PK + 6PK; PROKIT
2004BMW645CiN/AAdditional information: for crankshaft, with bolts; Inner Diameter 1 (mm): 37; Outer Diameter 1 (mm): 173; Width 1 (mm): 68; No. of Ribs: 6; Parameter: 4PK + 6PK; PROKIT
2004BMW745iN/AAdditional information: for crankshaft, with bolts; Inner Diameter 1 (mm): 37; Outer Diameter 1 (mm): 173; Width 1 (mm): 68; No. of Ribs: 6; Parameter: 4PK + 6PK; PROKIT
2004BMW745LiN/AAdditional information: for crankshaft, with bolts; Inner Diameter 1 (mm): 37; Outer Diameter 1 (mm): 173; Width 1 (mm): 68; No. of Ribs: 6; Parameter: 4PK + 6PK; PROKIT
2004BMWX5N/AAdditional information: for crankshaft, with bolts; Inner Diameter 1 (mm): 37; Outer Diameter 1 (mm): 173; Width 1 (mm): 68; No. of Ribs: 6; Parameter: 4PK + 6PK; PROKIT
2003BMW745iN/AAdditional information: for crankshaft, with bolts; Inner Diameter 1 (mm): 37; Outer Diameter 1 (mm): 173; Width 1 (mm): 68; No. of Ribs: 6; Parameter: 4PK + 6PK; PROKIT
2003BMW745LiN/AAdditional information: for crankshaft, with bolts; Inner Diameter 1 (mm): 37; Outer Diameter 1 (mm): 173; Width 1 (mm): 68; No. of Ribs: 6; Parameter: 4PK + 6PK; PROKIT
2002BMW745iN/AAdditional information: for crankshaft, with bolts; Inner Diameter 1 (mm): 37; Outer Diameter 1 (mm): 173; Width 1 (mm): 68; No. of Ribs: 6; Parameter: 4PK + 6PK; PROKIT
2002BMW745LiN/AAdditional information: for crankshaft, with bolts; Inner Diameter 1 (mm): 37; Outer Diameter 1 (mm): 173; Width 1 (mm): 68; No. of Ribs: 6; Parameter: 4PK + 6PK; PROKIT
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
11 23 7 568 345