ACT RB172 Release Bearing — Fits 1991-2005 BMW 3 Series, 5 Series, Z3

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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About ACT

ACT engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full ACT lineup with fast shipping and expert fitment support — order with confidence.

ACT RB172 Release Bearing: OE Quality for BMW 3 Series, 5 Series, and Z3

Maintain the smooth operation of your BMW's clutch with the ACT RB172 Release Bearing. Engineered to meet or exceed Original Equipment (OE) standards, this high-quality, direct-fit component ensures reliable performance for a wide range of BMW models, including the 3 Series, 5 Series, and Z3.

Key Features for Your BMW:

  • Precision Fitment: Designed as a direct replacement for various BMW models, ensuring compatibility and ease of installation.
  • OE Standards Compliance: Manufactured to the highest quality benchmarks, providing performance equivalent to the original part.
  • Smooth Clutch Engagement: Facilitates proper clutch disengagement for seamless gear changes and a refined driving experience.
  • Durable Construction: Built with robust materials to withstand the demands of everyday driving and spirited performance.
  • Extensive BMW Fitment: Compatible with numerous BMW models from the early 90s through the mid-2000s, including 318i, 323i, 325i, 328i, 525i, 528i, M3, and Z3 variants.

The release bearing is a crucial element in your BMW's clutch system, responsible for transmitting the force from the clutch fork to the pressure plate. A worn release bearing can result in a noisy clutch pedal, difficulty shifting, or even clutch system failure. The ACT RB172 offers a dependable solution, restoring the crisp feel and functionality of your clutch.

This release bearing is suitable for a broad spectrum of BMWs, from the E36 and E46 generations of the 3 Series to the E39 5 Series and the iconic Z3 roadster and coupe. Whether you own a 1991 BMW 525i or a 2005 BMW 325Ci, the RB172 is designed to provide a perfect fit and reliable service.

For superior drivetrain components that match your BMW's performance standards, choose ACT, available at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1996-1998 BMW 318i Base
1996-1997 BMW 318is Base
1996-1999 BMW 318ti Base
2000 BMW 323Ci Base
1998-2000 BMW 323i Base
1998-1999 BMW 323is Base
2001-2005 BMW 325Ci Base
1992-1995 BMW 325i Base
2001-2005 BMW 325i Base
1992-1995 BMW 325is Base
2000 BMW 328Ci Base
1996-2000 BMW 328i Base
1996-1999 BMW 328is Base
2001-2003 BMW 330Ci Base
2001-2003 BMW 330i Base
2001-2003 BMW 330xi Base
1991-1995 BMW 525i Base
2001-2003 BMW 525i Base
1997-2000 BMW 528i Base
2001-2003 BMW 530i Base
1995 BMW M3 Lightweight
1996-2002 BMW Z3 Roadster
1998-2002 BMW Z3 M Roadster
1999-2002 BMW Z3 Coupe
1999-2002 BMW Z3 M Coupe

Product Details

Product Description
Part Numbers
Sizing & Fit

About ACT

ACT engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full ACT lineup with fast shipping and expert fitment support — order with confidence.

ACT RB172 Release Bearing: OE Quality for BMW 3 Series, 5 Series, and Z3

Maintain the smooth operation of your BMW's clutch with the ACT RB172 Release Bearing. Engineered to meet or exceed Original Equipment (OE) standards, this high-quality, direct-fit component ensures reliable performance for a wide range of BMW models, including the 3 Series, 5 Series, and Z3.

Key Features for Your BMW:

  • Precision Fitment: Designed as a direct replacement for various BMW models, ensuring compatibility and ease of installation.
  • OE Standards Compliance: Manufactured to the highest quality benchmarks, providing performance equivalent to the original part.
  • Smooth Clutch Engagement: Facilitates proper clutch disengagement for seamless gear changes and a refined driving experience.
  • Durable Construction: Built with robust materials to withstand the demands of everyday driving and spirited performance.
  • Extensive BMW Fitment: Compatible with numerous BMW models from the early 90s through the mid-2000s, including 318i, 323i, 325i, 328i, 525i, 528i, M3, and Z3 variants.

The release bearing is a crucial element in your BMW's clutch system, responsible for transmitting the force from the clutch fork to the pressure plate. A worn release bearing can result in a noisy clutch pedal, difficulty shifting, or even clutch system failure. The ACT RB172 offers a dependable solution, restoring the crisp feel and functionality of your clutch.

This release bearing is suitable for a broad spectrum of BMWs, from the E36 and E46 generations of the 3 Series to the E39 5 Series and the iconic Z3 roadster and coupe. Whether you own a 1991 BMW 525i or a 2005 BMW 325Ci, the RB172 is designed to provide a perfect fit and reliable service.

For superior drivetrain components that match your BMW's performance standards, choose ACT, available at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1996-1998 BMW 318i Base
1996-1997 BMW 318is Base
1996-1999 BMW 318ti Base
2000 BMW 323Ci Base
1998-2000 BMW 323i Base
1998-1999 BMW 323is Base
2001-2005 BMW 325Ci Base
1992-1995 BMW 325i Base
2001-2005 BMW 325i Base
1992-1995 BMW 325is Base
2000 BMW 328Ci Base
1996-2000 BMW 328i Base
1996-1999 BMW 328is Base
2001-2003 BMW 330Ci Base
2001-2003 BMW 330i Base
2001-2003 BMW 330xi Base
1991-1995 BMW 525i Base
2001-2003 BMW 525i Base
1997-2000 BMW 528i Base
2001-2003 BMW 530i Base
1995 BMW M3 Lightweight
1996-2002 BMW Z3 Roadster
1998-2002 BMW Z3 M Roadster
1999-2002 BMW Z3 Coupe
1999-2002 BMW Z3 M Coupe

Product Details

Product Description

About ACT

ACT engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full ACT lineup with fast shipping and expert fitment support — order with confidence.

ACT RB172 Release Bearing: OE Quality for BMW 3 Series, 5 Series, and Z3

Maintain the smooth operation of your BMW's clutch with the ACT RB172 Release Bearing. Engineered to meet or exceed Original Equipment (OE) standards, this high-quality, direct-fit component ensures reliable performance for a wide range of BMW models, including the 3 Series, 5 Series, and Z3.

Key Features for Your BMW:

  • Precision Fitment: Designed as a direct replacement for various BMW models, ensuring compatibility and ease of installation.
  • OE Standards Compliance: Manufactured to the highest quality benchmarks, providing performance equivalent to the original part.
  • Smooth Clutch Engagement: Facilitates proper clutch disengagement for seamless gear changes and a refined driving experience.
  • Durable Construction: Built with robust materials to withstand the demands of everyday driving and spirited performance.
  • Extensive BMW Fitment: Compatible with numerous BMW models from the early 90s through the mid-2000s, including 318i, 323i, 325i, 328i, 525i, 528i, M3, and Z3 variants.

The release bearing is a crucial element in your BMW's clutch system, responsible for transmitting the force from the clutch fork to the pressure plate. A worn release bearing can result in a noisy clutch pedal, difficulty shifting, or even clutch system failure. The ACT RB172 offers a dependable solution, restoring the crisp feel and functionality of your clutch.

This release bearing is suitable for a broad spectrum of BMWs, from the E36 and E46 generations of the 3 Series to the E39 5 Series and the iconic Z3 roadster and coupe. Whether you own a 1991 BMW 525i or a 2005 BMW 325Ci, the RB172 is designed to provide a perfect fit and reliable service.

For superior drivetrain components that match your BMW's performance standards, choose ACT, available at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1996-1998 BMW 318i Base
1996-1997 BMW 318is Base
1996-1999 BMW 318ti Base
2000 BMW 323Ci Base
1998-2000 BMW 323i Base
1998-1999 BMW 323is Base
2001-2005 BMW 325Ci Base
1992-1995 BMW 325i Base
2001-2005 BMW 325i Base
1992-1995 BMW 325is Base
2000 BMW 328Ci Base
1996-2000 BMW 328i Base
1996-1999 BMW 328is Base
2001-2003 BMW 330Ci Base
2001-2003 BMW 330i Base
2001-2003 BMW 330xi Base
1991-1995 BMW 525i Base
2001-2003 BMW 525i Base
1997-2000 BMW 528i Base
2001-2003 BMW 530i Base
1995 BMW M3 Lightweight
1996-2002 BMW Z3 Roadster
1998-2002 BMW Z3 M Roadster
1999-2002 BMW Z3 Coupe
1999-2002 BMW Z3 M Coupe

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