11 21 531 Replacing all crankshaft main bearing shells (S54): Notes

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Special tools required:

00 2 590
00 9 120

For identification of special tools, refer to ENGINE- SPECIAL TOOLS .

(Engine dismantled)

The preliminary operations are described in the section Replacing crankshaft. Refer to 11 21 500 Replacing crankshaft (S54) .

NOTE: Piston cooling spray nozzles are installed between the bearing seats.

Check spray nozzles for damage.

Fig 1: Identifying Piston Cooling Spray Nozzles

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE:

Install bearing shells with continuous lubricant groove and one retaining lug in engine block.
Fit bearing shells without continuous lubricant groove and two retaining lugs in bearing cover.

Fig 2: Identifying Bearing Shells
Courtesy of BMW OF NORTH AMERICA, INC.