Checking position of oil spray nozzles

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Insert special tool 11 4 251 in screw connection of main bearing.

NOTE: Special tool 11 4 252 must be pre-installed at the seventh main bearing.

Fig 1: Checking Oil Spray Nozzle Position According To Position On Special Tool 11 4 251

G04751105

Courtesy of BMW OF NORTH AMERICA, INC.

Check position of oil spray nozzle (2) according to position (1) on special tool 11 4 251.

If necessary, adjust and secure oil spray nozzle (2).

Tightening torque 11 11 5AZ .

Remove bearing shells (2) and guide bearing shell (3).

NOTE: Guide bearing shell (3) is a thrust bearing.

Observe BEARING CLASSIFICATION .

Fig 2: Removing Guide Bearing Shell And Bearing Shells

G04751097

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Bearing shell (1) with lubricant groove must be fitted in crankcase.

Bearing shell (2) without lubricant groove must be fitted in bedplate.

IMPORTANT: Allocation of bearing points:
Bearing point 1 is at the front on the timing chain drive in the direction of travel.

Fig 3: Identifying Bearing Shell With/Without Lubricant Groove

G04751107

Courtesy of BMW OF NORTH AMERICA, INC.

Surface (1) for identification on crankshaft web 1.

Seven-digit part number (2).