1-480-966-3040 Mon-Fri 8am to 5pm AZ
Performance & Aftermarket Car Parts - Vivid Racing Performance & Aftermarket Car Parts - Vivid Racing
Live Chat
Hello, Sign in My Account
Sign In
Wishlist
0
My Cart
My Cart $0.00
  See more parts for BMW Z4
Select the year of your BMW Z4:
ACL Engine Bearing Set .50mm Oversized for BMW M20/M50/M52/M54 Z4 2003-2015 Trimetal - 6B1490H-.50
ACL Engine Bearing Set .50mm Oversized for BMW M20/M50/M52/M54 Z4 2003-2015 Trimetal - 6B1490H-.50 - Image 2 ACL Engine Bearing Set .50mm Oversized for BMW M20/M50/M52/M54 Z4 2003-2015 Trimetal - 6B1490H-.50 - Image 2

ACL 6B1490H-.50 Race Series Engine Bearings

If you’re pushing your BMW Z4 (2003-2015) to its limits, you need engine components that can keep up. The ACL 6B1490H-.50 Race Series Engine Bearings are engineered for high-performance applications, specifically designed to handle the demands of higher RPMs without compromising reliability. These trimetal bearings are a must-have for any Z4 owner looking to enhance their engine's performance.

Why Choose ACL Race Series Engine Bearings?

ACL combines cutting-edge design, metallurgy, and engineering to create bearings that meet the rigorous expectations of performance-driven drivers. These bearings are not just about durability; they’re about enhancing your engine’s efficiency and response.

Key Features

  • High-strength overlay plate with reduced thickness for improved fatigue resistance.
  • Hardened steel backs on all rod bearings provide better support and retention within the housing.
  • Increased crush for superior bearing retention, ensuring they stay put under pressure.
  • Elimination of flash plating enhances heat transfer and maximizes grip between the bearing and housing.
  • Increased eccentricity compensates for bore distortion at high RPMs while helping to form hydrodynamic oil films.
  • 3/4 grooved main bearings optimize load-carrying surface area and oil flow to conrod bearings.
  • Tight, consistent wall tolerances maintain precise clearances for optimal performance.
  • Enlarged ID chamfers on bearing edges accommodate large fillet radii on performance crankshafts.

Technical Specifications

  • Size: .50
  • Oil Clearance: Standard
  • Half Type: Identical Halves
  • Material: Tri-metal Hardened Steel Backs
  • Min Standard Shaft Size: 1.7707in / 44.975 mm
  • Max Standard Shaft Size: 1.7713in / 44.991 mm
  • Min Standard Tunnel Size: 1.8898in / 48.000 mm
  • Max Standard Tunnel Size: 1.8904in / 48.016 mm
  • Max Wall at Crown: 0.0588in / 1.493 mm
  • Max Overall Length: 0.709in / 18.00 mm

Real-World Fitment

These bearings are specifically designed for the BMW Z4 from 2003 to 2015, making them a perfect upgrade for anyone looking to improve their engine's performance. Whether you're tracking your Z4 or just want to enhance daily driving, these bearings will help you achieve better reliability and efficiency.

Customer Feedback

A 2010 BMW Z4 owner shared, “After installing the ACL 6B1490H-.50 bearings, I noticed a significant improvement in engine response, especially at higher RPMs. They fit perfectly, and I feel more confident pushing my car on the track.”

Upgrade your BMW Z4 with the ACL 6B1490H-.50 Race Series Engine Bearings and experience the difference that high-quality engineering can make in your performance ride.

Other Part Numbers:
ACL #acl6B1490H-.50

Proposition 65

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

Vehicle
2003-2015
 BMW Z4

ACL Banner

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.

Check out these other great products