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ACL Main Bearing Set BMW M20/M50/M52/M54 (80.0mm Bore) 0.25 Oversize

ACL
ACL7M1532H-.25
In stock
Bearings
$389.18
Refresh your BMW engine build with the ACL Main Bearing Set, engineered for consistent oil clearance...
$389.18

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ACL Main Bearing Set BMW M20/M50/M52/M54 (80.0mm Bore) 0.25 Oversize

Refresh your BMW engine build with the ACL Main Bearing Set, engineered for consistent oil clearance and dependable crankshaft support. This set is specified for BMW M20, M50, M52 and M54 engines and suits an 80.0mm bore application in a 0.25 oversize main bearing size—ideal for rebuilds where the crank has been machined to suit.

Key Features

  • ACL quality main bearings designed for performance and reliability
  • 0.25 oversize to suit compatible reground/machined crankshafts
  • Precision manufacturing for accurate fit and stable oil film
  • Durable bearing materials to handle heat and load in demanding use

Vehicle Fitment

BMW engines: M20 / M50 / M52 / M54. Check your vehicle details before ordering.

Fitment disclaimer: Confirm engine code and bearing oversize with your machinist or measurements prior to purchase.

Benefits

  • Helps restore smooth, consistent crank rotation
  • Reduces wear for longer engine service life
  • Supports reliable oil pressure and bearing protection

Why Buy From Us

  • Auto parts specialists serving NZ & AU
  • Fast order processing and careful packaging
  • Helpful support to confirm specs before you buy
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Effective Date: October 2024
We offer a 30-day return policy, allowing you to request a return within 30 days of receiving your item. To qualify for a return, the item must be in its original condition—unused, with tags, and in its original packaging. A receipt or proof of purchase is also required.

To initiate a return, please contact us at info@riotparts.com. Returns must be shipped to the address provided upon request. If your return is approved, we will issue a return shipping label along with detailed instructions.

Important
Returns sent without prior authorization will not be accepted.

For any return-related inquiries, please reach out to us at info@riotparts.com.

Return Shipping Address
The return shipping address will be determined based on the requestor’s location to ensure the nearest return facility is used.

Possible return locations include:
10880 Lear Blvd.
Reno, NV 89506, United States
931 W. Bardin Rd., Suite 150–200
Arlington, TX 76017, United States
3035 Campus Dr.
Hatfield, PA 19440, United States
5789 N. Graham Road, Ste 200
Whiteland, IN 46184, United States
2020 NE Aloclek Dr 4711 N Lamon Ave
#118 STE 12, Hillsboro, OR 97124, United States

Damages and Issues
We recommend inspecting your order upon receipt. If you find that an item is defective, damaged, or if you received the wrong item, please contact us immediately so we can address the issue.

Exceptions / Non-Returnable Items
Certain items cannot be returned, including:
• Electrical parts that have been installed or used
• Special order parts that were custom ordered for you
• Items that have been damaged due to improper installation or use

If you have questions or concerns about a specific item, please contact us for assistance.

Exchanges
For exchanges, the quickest option is to return the item you have. Once the return is accepted, you can make a separate purchase for the new item.

Refunds
We will notify you once we receive and inspect your return to inform you whether your refund is approved. If approved, you will be automatically refunded using your original payment method within 10 business days. Please be aware that it may take additional time for your bank or credit card company to process and post the refund.

If more than 15 business days have passed since your return was approved and you haven’t received your refund, please contact us at info@riotparts.com.

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