Engines and Components› Engine Bearings

ACL

ACL BMW S65B40 4.0L V8 Standard Size Main Bearings

$246.73

SKU: A002 5M1581HX-STD

In Stock
In Stock
Ships by Jul 31
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Professional / shop required

Description

ACL Race Series performance engine bearings are recognized as a premier brand throughout the motorsports world. The ACL 5M1581HX-STD Standard Size Main Bearings are designed for BMW S65B40 4.0L V8 engines found in M3 E90, E92, and E93 models. They feature a high strength overlay plate, hardened steel backs, and optimized oil flow.

Fitment

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Specifications

BrandACL
Part NumberA002 5M1581HX-STD

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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