Replacing crankshaft main bearing shells

Courtesy of BMW OF NORTH AMERICA, INC.

Courtesy of BMW OF NORTH AMERICA, INC.

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

Parts: Crankshaft main bearing shells

NOTE: The axial guide bearing of the crankshaft is installed at bearing position (3).

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

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.

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.