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This ACL standard-size main bearing set is specified for BMW N54, N55, and S55B30 3.0L engines and supplies the main bearings needed for factory-size rebuilds or replacements. Intended to restore proper main bearing clearances to OE dimensions, the set supports engine reassembly where standard-size bearings are required, matching the specified BMW engine family for accurate fit and function.
ACL BMW N54/N55/S55B30 3.0L Standard Size Main Bearing Set
