ACL main bearings for the BMW B58B30 and S58B30 3.0L inline-six offer a standard-size set with an extra .025mm (0.001") oil clearance for specific rebuild needs. These bearings are supplied to support correct crank alignment and oil film maintenance where slightly increased clearance is required, providing a reliable option for engine assembly within the supported BMW inline-six applications.
ACL BMW B58B30/S58B30 3.0L Inline 6 Standard Size Main Bearings