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  • ACL Oversized Main Bearing Set for BMW M20/M50/M52/M54 (.025) 80.0mm Bore / 66.0mm Stroke
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ACL Oversized Main Bearing Set for BMW M20/M50/M52/M54 (.025) 80.0mm Bore / 66.0mm Stroke

ACL
ACL7M1532H-.025
In stock
Bearings
$389.18
Restore reliable bottom-end oil control and crank support with this ACL oversized main bearing set for...
$389.18
customers are viewing this product
ACL Main Bearing Set BMW M20/M50/M52/M54 (80.0mm Bore) 0.25 Oversize
ACL Main Bearing Set BMW M20/M50/M52/M54 (80.0mm Bore) 0.25 Oversize
$389.18
ACL Main Bearing Set BMW N54/N55/S55B30 3.0L Standard Size (Extra Oil Clearance)
ACL Main Bearing Set BMW N54/N55/S55B30 3.0L Standard Size (Extra Oil Clearance)
$418.39
ACL Oversized Main Bearing Set for BMW M20/M50/M52/M54 (.025) 80.0mm Bore / 66.0mm Stroke
Description

Restore reliable bottom-end oil control and crank support with this ACL oversized main bearing set for BMW M20/M50/M52/M54 engines. Built for rebuilds where an oversized bearing is required, this set is specified at .025 and references 80.0mm bore and 66.0mm stroke (1919cc listing reference). Ideal for performance builds or quality engine reconditioning, ACL bearings are known for consistent tolerances and durable construction.

Key Features

  • ACL main bearing set for BMW M20/M50/M52/M54 engines
  • .025 oversized specification for appropriate machined/oversize applications
  • Engine spec reference: 80.0mm bore / 66.0mm stroke
  • Designed to support stable crankshaft operation and long service life

Vehicle Fitment

Check your vehicle details before ordering.

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

Benefits

  • Helps achieve correct clearances during an engine rebuild
  • Supports smoother crank rotation and improved durability under load
  • Suitable for performance and OEM-style rebuilds when oversize is needed

Why Buy From Us

  • Fast NZ & AU shipping options
  • Trusted aftermarket brands like ACL
  • Carefully packed to help parts arrive in top condition
  • Helpful local support for product and ordering questions
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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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