Product Overview ACL 5M1538H-.50 ACL BMW M40B16/18 (1.6L / 1.8L / 1.9L) .50 Oversized Main Bearing Set
ACL ACL 5M1538HX-STD ACL BMW M40B16/18 (1.6L / 1.8L / 1.9L) Standard Main Bearing Set w/ Extra Oil Clearance