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  See more parts for BMW M3
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ACL BMW S50B30 Race Rod Bearings 6B1515H-STD for M3 1992-2017, Tri-Metal, Standard Size - 6B1515H-STD
ACL BMW S50B30 Race Rod Bearings 6B1515H-STD for M3 1992-2017, Tri-Metal, Standard Size - 6B1515H-STD - Image 2 ACL BMW S50B30 Race Rod Bearings 6B1515H-STD for M3 1992-2017, Tri-Metal, Standard Size - 6B1515H-STD - Image 2

ACL 6B1515H-STD Race Series Engine Bearings

If you're looking to push your BMW M3 to its limits, the ACL 6B1515H-STD Race Series Engine Bearings are a must-have upgrade. These bearings are meticulously engineered to handle the demands of high-performance driving, making them an ideal choice for M3 owners from 1992 to 2017 who crave reliability and durability during spirited runs or track days.

Why Choose ACL Race Series Bearings?

These Trimetal engine bearings are designed with a unique combination of cutting-edge metallurgy and engineering principles. They excel in high RPM conditions, ensuring that your engine runs smoothly under pressure. Whether you're pushing your M3 on the track or just enjoying a spirited drive, these bearings will provide the support you need.

Key Features

  • High strength overlay plate with a reduced thickness enhances fatigue resistance, perfect for high-stress applications.
  • Hardened steel backs on all rod bearings improve support and retention, ensuring they stay put even under extreme conditions.
  • Increased crush for better bearing retention, giving you peace of mind during aggressive driving.
  • Elimination of flash plating on the back of the bearings improves heat transfer and maximizes grip within the housing.
  • Increased eccentricity compensates for bore distortion at high RPM, aiding in the formation of hydrodynamic oil films.
  • 3/4 grooved main bearings optimize load-carrying surface area and oil flow to the conrod bearings.
  • Tight wall tolerances help maintain consistent clearances, crucial for performance tuning.
  • Enlarged ID chamfers accommodate larger fillet radii on performance crankshafts, ensuring a perfect fit.

Technical Specifications

  • Type: STD, .025, .25
  • Oil Clearance: Standard
  • Half Type: Identical Halves
  • Material: Tri-metal with hardened steel backs
  • Min Std Shaft Size: 1.9675 in / 49.975 mm
  • Max Std Shaft Size: 1.9681 in / 49.991 mm
  • Min Std Tunnel Size: 2.0866 in / 53.000 mm
  • Max Std Tunnel Size: 2.0875 in / 53.015 mm
  • Max Wall at Crown: 0.0588 in / 1.493 mm
  • Max Overall Length: 0.709 in / 18.00 mm

Fitment

The ACL 6B1515H-STD bearings are compatible with the following BMW M3 models:

  • M3 E30 (1992-1999)
  • M3 E46 (2001-2006)
  • M3 E92 (2008-2013)
  • M3 F80 (2015-2017)

Customer Feedback

One M3 E46 owner shared, "I installed the ACL Race Series bearings during my engine rebuild, and the difference was night and day. The engine feels more responsive and stable at higher RPMs. I’m confident in pushing my M3 harder than ever!"

Another customer with a 2015 M3 noted, "These bearings were a game-changer for my track days. They held up perfectly, and I didn't experience any issues with oil pressure even after some intense sessions."

Upgrade your BMW M3 with the ACL 6B1515H-STD Race Series Engine Bearings and experience the performance and reliability that comes from a trusted brand in the automotive community.

Other Part Numbers:
ACL #acl6B1515H-STD

Proposition 65

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

Vehicle
1992-1999, 2001-2006, 2008-2013, 2015-2017
 BMW M3

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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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