ACL BMW M20/M50/M52/M54 Conrod Bearing Set - .25mm Oversize

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SKU: ACL6B1490H-.25
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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 ACL

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

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ACL BMW M-Series Conrod Bearing Set - .25mm Oversize

Enhance the performance and reliability of your BMW M-series engine with this high-quality .25mm Oversize Conrod Bearing Set from ACL. Designed for M20, M50, M52, and M54 engines, these bearings are precision-engineered to provide optimal performance and durability for your BMW.

Engineered for BMW Performance:

  • Engine Fitment: Specifically designed for BMW M20, M50, M52, and M54 engines, ensuring a precise fit and optimal function.
  • Oversize Specification: This set is .25mm oversized, perfect for engines that have been previously machined or require tighter tolerances for optimal performance.
  • Performance Materials: Manufactured using advanced alloys and bonding techniques to offer superior strength, wear resistance, and reduced friction under demanding conditions.
  • Optimized Oil Clearance: The .25mm oversize provides ideal oil clearance, crucial for maintaining proper lubrication and preventing bearing failure at high RPMs.
  • Reliable Durability: ACL bearings are known for their consistent quality and long-term durability, making them a trusted choice for BMW enthusiasts and performance builders.

Whether you are performing a routine engine rebuild or building a high-performance BMW, these ACL conrod bearings are a critical component for ensuring engine health and power output. They are manufactured to exacting standards to meet the rigorous demands of BMW engines.

Trust ACL for top-quality engine components that deliver performance and longevity. Get your ACL BMW M-Series Conrod Bearing Set today at GGCRACING!

Vehicle Fitment

Years Make Model Trim
2000 BMW 323Ci Base
1998-2000 BMW 323i Base
1998-1999 BMW 323is Base
1986-1988 BMW 325 Base
2001-2006 BMW 325Ci Base
1984-1987 BMW 325e Base
1986-1987 BMW 325es Base
1987-1995 BMW 325i Base
2001-2005 BMW 325i Base
1987-1995 BMW 325is Base
2001-2005 BMW 325xi Base
2000 BMW 328Ci Base
1996-2000 BMW 328i Base
1996-1999 BMW 328is Base
2001-2006 BMW 330Ci Base
2001-2005 BMW 330i Base
2001-2005 BMW 330xi Base
1989-1995 BMW 525i Base
2001-2005 BMW 525i Base
1993 BMW 525iT Base
1997-2000 BMW 528i Base
2001-2005 BMW 530i Base
2004-2005 BMW X3 2.5i
2004-2006 BMW X3 3.0i
2001-2006 BMW X5 3.0i
1997-2002 BMW Z3 Roadster
1999-2002 BMW Z3 Coupe
2003-2005 BMW Z4 2.5i
2003-2005 BMW Z4 3.0i

Product Details

Product Description
Part Numbers
Sizing & Fit

About ACL

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

Watch in action

ACL BMW M-Series Conrod Bearing Set - .25mm Oversize

Enhance the performance and reliability of your BMW M-series engine with this high-quality .25mm Oversize Conrod Bearing Set from ACL. Designed for M20, M50, M52, and M54 engines, these bearings are precision-engineered to provide optimal performance and durability for your BMW.

Engineered for BMW Performance:

  • Engine Fitment: Specifically designed for BMW M20, M50, M52, and M54 engines, ensuring a precise fit and optimal function.
  • Oversize Specification: This set is .25mm oversized, perfect for engines that have been previously machined or require tighter tolerances for optimal performance.
  • Performance Materials: Manufactured using advanced alloys and bonding techniques to offer superior strength, wear resistance, and reduced friction under demanding conditions.
  • Optimized Oil Clearance: The .25mm oversize provides ideal oil clearance, crucial for maintaining proper lubrication and preventing bearing failure at high RPMs.
  • Reliable Durability: ACL bearings are known for their consistent quality and long-term durability, making them a trusted choice for BMW enthusiasts and performance builders.

Whether you are performing a routine engine rebuild or building a high-performance BMW, these ACL conrod bearings are a critical component for ensuring engine health and power output. They are manufactured to exacting standards to meet the rigorous demands of BMW engines.

Trust ACL for top-quality engine components that deliver performance and longevity. Get your ACL BMW M-Series Conrod Bearing Set today at GGCRACING!

Vehicle Fitment

Years Make Model Trim
2000 BMW 323Ci Base
1998-2000 BMW 323i Base
1998-1999 BMW 323is Base
1986-1988 BMW 325 Base
2001-2006 BMW 325Ci Base
1984-1987 BMW 325e Base
1986-1987 BMW 325es Base
1987-1995 BMW 325i Base
2001-2005 BMW 325i Base
1987-1995 BMW 325is Base
2001-2005 BMW 325xi Base
2000 BMW 328Ci Base
1996-2000 BMW 328i Base
1996-1999 BMW 328is Base
2001-2006 BMW 330Ci Base
2001-2005 BMW 330i Base
2001-2005 BMW 330xi Base
1989-1995 BMW 525i Base
2001-2005 BMW 525i Base
1993 BMW 525iT Base
1997-2000 BMW 528i Base
2001-2005 BMW 530i Base
2004-2005 BMW X3 2.5i
2004-2006 BMW X3 3.0i
2001-2006 BMW X5 3.0i
1997-2002 BMW Z3 Roadster
1999-2002 BMW Z3 Coupe
2003-2005 BMW Z4 2.5i
2003-2005 BMW Z4 3.0i

Product Details

Product Description

About ACL

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

Watch in action

ACL BMW M-Series Conrod Bearing Set - .25mm Oversize

Enhance the performance and reliability of your BMW M-series engine with this high-quality .25mm Oversize Conrod Bearing Set from ACL. Designed for M20, M50, M52, and M54 engines, these bearings are precision-engineered to provide optimal performance and durability for your BMW.

Engineered for BMW Performance:

  • Engine Fitment: Specifically designed for BMW M20, M50, M52, and M54 engines, ensuring a precise fit and optimal function.
  • Oversize Specification: This set is .25mm oversized, perfect for engines that have been previously machined or require tighter tolerances for optimal performance.
  • Performance Materials: Manufactured using advanced alloys and bonding techniques to offer superior strength, wear resistance, and reduced friction under demanding conditions.
  • Optimized Oil Clearance: The .25mm oversize provides ideal oil clearance, crucial for maintaining proper lubrication and preventing bearing failure at high RPMs.
  • Reliable Durability: ACL bearings are known for their consistent quality and long-term durability, making them a trusted choice for BMW enthusiasts and performance builders.

Whether you are performing a routine engine rebuild or building a high-performance BMW, these ACL conrod bearings are a critical component for ensuring engine health and power output. They are manufactured to exacting standards to meet the rigorous demands of BMW engines.

Trust ACL for top-quality engine components that deliver performance and longevity. Get your ACL BMW M-Series Conrod Bearing Set today at GGCRACING!

Vehicle Fitment

Years Make Model Trim
2000 BMW 323Ci Base
1998-2000 BMW 323i Base
1998-1999 BMW 323is Base
1986-1988 BMW 325 Base
2001-2006 BMW 325Ci Base
1984-1987 BMW 325e Base
1986-1987 BMW 325es Base
1987-1995 BMW 325i Base
2001-2005 BMW 325i Base
1987-1995 BMW 325is Base
2001-2005 BMW 325xi Base
2000 BMW 328Ci Base
1996-2000 BMW 328i Base
1996-1999 BMW 328is Base
2001-2006 BMW 330Ci Base
2001-2005 BMW 330i Base
2001-2005 BMW 330xi Base
1989-1995 BMW 525i Base
2001-2005 BMW 525i Base
1993 BMW 525iT Base
1997-2000 BMW 528i Base
2001-2005 BMW 530i Base
2004-2005 BMW X3 2.5i
2004-2006 BMW X3 3.0i
2001-2006 BMW X5 3.0i
1997-2002 BMW Z3 Roadster
1999-2002 BMW Z3 Coupe
2003-2005 BMW Z4 2.5i
2003-2005 BMW Z4 3.0i

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