ACL Race Series Main Bearings — BMW N54 / N55 / S55
DESCRIPTION
ACL Race Series main-bearing set in standard size.
Key details
7M1397H-STD; not HX or a crankshaft-undersize set.
Fitment
BMW N54B30, N55B30 and S55B30 engine builds.
Installation
Measure crank journals, bearing housings and assembled oil clearances before fitting. Size selection must be made by the engine builder.
DISCLAIMER
Where applicable, the use of de-cats, sports cats and removing OPF/GPF systems is for off-road/motorsport use only. Using these parts may prevent your vehicle from passing an MOT test. Only EC type-approved components are legal and fit for road use.
SHIPPING & WARRANTY
Free UK shipping on all orders. In-stock orders are dispatched Monday–Friday. Please refer to the live dispatch estimate above for the current estimated dispatch day. Tracking is provided once your order is dispatched.
Warranty coverage varies by product and manufacturer. Please contact us if you need confirmation of warranty coverage before ordering. Your statutory rights are unaffected.