ACL BMW S54B32 0.25mm Oversized High Performance Rod Bearing Set — Fits BMW M3/Z4/Z3 2001-2008

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SKU: ACL6B1569H-.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 High-Performance Rod Bearings for BMW S54B32 Engines (0.25mm Oversized)

Enhance the reliability and performance of your BMW S54B32 engine with this set of 0.25mm oversized high-performance rod bearings from ACL. Designed for engines requiring a larger journal diameter due to wear or modifications, these bearings ensure optimal clearance and lubrication. ACL's commitment to quality materials and precision manufacturing guarantees that these bearings can withstand the rigors of spirited driving and demanding performance applications, extending the life of your valuable engine.

Engineered for Durability and Performance:

  • Optimized for S54B32: Precision-engineered for the BMW S54B32 engine, ensuring a perfect fit for iconic models like the M3, Z3 M, and Z4 M.
  • 0.25mm Oversized: Specifically designed for crankshafts that have been machined to a 0.25mm undersize, ensuring proper bearing crush and clearance.
  • Robust Construction: Manufactured from high-strength alloys capable of handling extreme loads and operating temperatures, providing superior wear resistance.
  • Improved Oil Flow: Features that promote consistent and adequate oil supply to the bearing surfaces, reducing friction and preventing premature wear.
  • Extensive Vehicle Coverage: Fits BMW M3 (2001-2006), Z3 M Coupe/Roadster (2001-2002), and Z4 M Coupe/Roadster (2006-2008) models.

Don't compromise on the internal components of your performance BMW. Choose ACL's 0.25mm oversized rod bearings for a reliable and high-performing solution. Available now at GGCRACING for your engine upgrade needs.

Vehicle Fitment

Years Make Model Trim
2001-2006 BMW M3 Base
2001-2002 BMW Z3 M Coupe
2001-2002 BMW Z3 M Roadster
2006-2008 BMW Z4 M Coupe
2006-2008 BMW Z4 M Roadster

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 High-Performance Rod Bearings for BMW S54B32 Engines (0.25mm Oversized)

Enhance the reliability and performance of your BMW S54B32 engine with this set of 0.25mm oversized high-performance rod bearings from ACL. Designed for engines requiring a larger journal diameter due to wear or modifications, these bearings ensure optimal clearance and lubrication. ACL's commitment to quality materials and precision manufacturing guarantees that these bearings can withstand the rigors of spirited driving and demanding performance applications, extending the life of your valuable engine.

Engineered for Durability and Performance:

  • Optimized for S54B32: Precision-engineered for the BMW S54B32 engine, ensuring a perfect fit for iconic models like the M3, Z3 M, and Z4 M.
  • 0.25mm Oversized: Specifically designed for crankshafts that have been machined to a 0.25mm undersize, ensuring proper bearing crush and clearance.
  • Robust Construction: Manufactured from high-strength alloys capable of handling extreme loads and operating temperatures, providing superior wear resistance.
  • Improved Oil Flow: Features that promote consistent and adequate oil supply to the bearing surfaces, reducing friction and preventing premature wear.
  • Extensive Vehicle Coverage: Fits BMW M3 (2001-2006), Z3 M Coupe/Roadster (2001-2002), and Z4 M Coupe/Roadster (2006-2008) models.

Don't compromise on the internal components of your performance BMW. Choose ACL's 0.25mm oversized rod bearings for a reliable and high-performing solution. Available now at GGCRACING for your engine upgrade needs.

Vehicle Fitment

Years Make Model Trim
2001-2006 BMW M3 Base
2001-2002 BMW Z3 M Coupe
2001-2002 BMW Z3 M Roadster
2006-2008 BMW Z4 M Coupe
2006-2008 BMW Z4 M Roadster

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 High-Performance Rod Bearings for BMW S54B32 Engines (0.25mm Oversized)

Enhance the reliability and performance of your BMW S54B32 engine with this set of 0.25mm oversized high-performance rod bearings from ACL. Designed for engines requiring a larger journal diameter due to wear or modifications, these bearings ensure optimal clearance and lubrication. ACL's commitment to quality materials and precision manufacturing guarantees that these bearings can withstand the rigors of spirited driving and demanding performance applications, extending the life of your valuable engine.

Engineered for Durability and Performance:

  • Optimized for S54B32: Precision-engineered for the BMW S54B32 engine, ensuring a perfect fit for iconic models like the M3, Z3 M, and Z4 M.
  • 0.25mm Oversized: Specifically designed for crankshafts that have been machined to a 0.25mm undersize, ensuring proper bearing crush and clearance.
  • Robust Construction: Manufactured from high-strength alloys capable of handling extreme loads and operating temperatures, providing superior wear resistance.
  • Improved Oil Flow: Features that promote consistent and adequate oil supply to the bearing surfaces, reducing friction and preventing premature wear.
  • Extensive Vehicle Coverage: Fits BMW M3 (2001-2006), Z3 M Coupe/Roadster (2001-2002), and Z4 M Coupe/Roadster (2006-2008) models.

Don't compromise on the internal components of your performance BMW. Choose ACL's 0.25mm oversized rod bearings for a reliable and high-performing solution. Available now at GGCRACING for your engine upgrade needs.

Vehicle Fitment

Years Make Model Trim
2001-2006 BMW M3 Base
2001-2002 BMW Z3 M Coupe
2001-2002 BMW Z3 M Roadster
2006-2008 BMW Z4 M Coupe
2006-2008 BMW Z4 M Roadster

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