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  See more parts for BMW Z3
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ACL BMW S54B32 0.25mm Oversized High Performance Rod Bearing Set for Z3/Z4 1996-2015 - 6B1569H-.25
ACL BMW S54B32 0.25mm Oversized High Performance Rod Bearing Set for Z3/Z4 1996-2015 - 6B1569H-.25 - Image 2 ACL BMW S54B32 0.25mm Oversized High Performance Rod Bearing Set for Z3/Z4 1996-2015 - 6B1569H-.25 - Image 2

ACL 6B1569H-.25 Race Series Engine Bearings

If you're looking to push your BMW Z3 (1996-2002) or Z4 (2003-2015) to its performance limits, the ACL 6B1569H-.25 Race Series Engine Bearings are engineered to meet the demands of high RPM driving. These bearings are crafted from a unique tri-metal composition that combines advanced design, metallurgy, and engineering to provide the durability and reliability you need on the track or during spirited drives.

Why Choose ACL Race Series Engine Bearings?

These bearings are designed specifically for high-performance applications, making them ideal for those who crave speed and precision. Whether you're tuning your daily driver or building a track beast, the 6B1569H-.25 bearings offer exceptional performance under pressure.

Key Features:

  • High-strength overlay plate with reduced thickness enhances fatigue resistance, ensuring longevity even under extreme conditions.
  • Hardened steel backs on all rod bearings provide superior support for the bearing lining, improving retention within the housing.
  • Increased crush for better bearing retention, so you can push your engine without worry.
  • Flash plating elimination on the back of the bearings enhances heat transfer, maximizing grip between the bearings and their housing.
  • Designed with increased eccentricity to counteract bore distortion at high RPMs, facilitating the formation of hydrodynamic oil films.
  • 3/4 grooved main bearings optimize load-carrying surface area and oil flow to the conrod bearings, ensuring smooth operation.
  • Tight and consistent wall tolerances help maintain precise clearances for optimal performance.
  • Enlarged ID chamfers on bearing edges accommodate large fillet radii on performance crankshafts.

Specifications:

  • Size: STD, .025, .25
  • Oil Clearance: Standard
  • Half Type: Identical Halves
  • Material: Tri-metal with hardened steel backs
  • Min Std Shaft Size: 1.9281 in / 48.975 mm
  • Max Std Shaft Size: 1.9288 in / 48.991 mm
  • Min Std Tunnel Size: 2.0866 in / 53.000 mm
  • Max Std Tunnel Size: 2.0872 in / 53.015 mm
  • Max Wall at Crown: Std: 0.0785 in / 1.993 mm
  • Max Overall Length: 0.630 in / 16.00 mm

Fitment:

  • BMW Z3 (1996-2002)
  • BMW Z4 (2003-2015)

Customer Feedback:

A BMW Z4 owner noted, “I installed these ACL bearings during my engine rebuild, and they fit perfectly. The added durability gives me confidence when I’m pushing my car at the track.”

Upgrade your engine with the ACL 6B1569H-.25 Race Series Engine Bearings and experience the difference in performance and reliability. Designed for those who demand the best, these bearings are the perfect choice for any BMW enthusiast looking to enhance their driving experience.

Other Part Numbers:
ACL #acl6B1569H-.25

Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Vehicle
1996-2002
 BMW Z3
2003-2015
 BMW Z4

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Who is ACL?

ACL is a company that specializes in manufacturing and distributing high-quality engine bearings that have played a key role in the Australian automotive parts market. 

Based in Launceston, Tasmania, Australia, the company has been in the business for more than 70 years and has become the leading brand when it comes to its market segment.

Throughout the years, ACL has consistently provided top quality products and has become the equipment supplier of multiple Automotive brands such as Lancia, Mazda, Mini, Mitsubishi, Nissan, Peugeot, Subaru, Toyota, Volvo, Suzuki, Renault, SAAB, and more.  ACL also provides a replacement product range used by the aftermarket industry.

The company ensures that it maintains its high level of standard by employing manufacturing processes that are ISO certified. They also use the industry’s most advanced tooling equipment and designing software that allows them to create products that are superior in quality. ACL has been known worldwide to create bearings that are durable, innovative, and precise.

ACL also offers bearing used for high-performance applications. The company has been involved in motorsport racing since the 1960s and has manufactured bearings used in Brabham Formula 1. Today, their products are being used in different racing disciplines such as the Australian Supercar Championship, Drag racing, Driftings, and Rally.

Purchase ACL Bearings at Vivid Racing

Engine Bearings are a critical component of a vehicle and should not be overlooked. If you want to make sure that what you get is something you could rely on, then ACL is the brand for you. With over 200 engine applications, whether it’s an American, Australian, European, or Asian made vehicle, ACL got you covered. Visit Vivid Racing and check out their list of bearings that would fit your specific needs.

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