Replacing crankshaft main bearing shells

Replace crankshaft main bearing shells (1) to (5) (with lubricating groove) in the crankcase.
Parts : Crankshaft main bearing shells

NOTE: Crankshaft axial guide bearing is installed at bearing position (3).

Courtesy of BMW OF NORTH AMERICA, INC.

Make sure the crankshaft main bearing shell (1) is correctly installed with the guide lug in the highlighted area.

Courtesy of BMW OF NORTH AMERICA, INC.
Replace the crankshaft main bearing shells (1) to (5) (without lubricating groove) on the crankshaft bearing caps.
Parts : Crankshaft main bearing shells

Courtesy of BMW OF NORTH AMERICA, INC.
Make sure the crankshaft main bearing shell (1) is correctly installed with the guide lug in the highlighted area.

Courtesy of BMW OF NORTH AMERICA, INC.