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Home >> BMW >> 2012 >> 535i GT >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine - Repair >> Crankshaft With Bearing >> 11 21 531 Replacing all crankshaft main bearing (N55) >> Checking position of oil spray nozzles

Checking position of oil spray nozzles

Check position of oil spray nozzle according to position on special tool 11 8 510 .

Insert special tool 11 8 510 into main bearing screw connection and secure from turning with screw (1).

Fig 1: Inserting Special Tool (11 8 510) Into Main Bearing Screw Connection And Secure From Turning With Screw
G08419644Courtesy of BMW OF NORTH AMERICA, INC.

If necessary, adjust oil spray nozzles and secure.

Tighten banjo bolt (1).

Tightening torque: 11 11 5AZ .

Fig 2: Identifying Banjo Bolt
G08419645Courtesy of BMW OF NORTH AMERICA, INC.

Installation note: 

Bearing shell (1) with lubricating groove must be fitted in upper section of crankcase.

Bearing shell (2) without lubricating groove must be installed in lower section of crankcase.

IMPORTANT: Allocation of bearing positions:
Bearing position 1 is at the front on the timing chain drive in the direction of travel.
Fig 3: Identifying Bearing Shells
G04725449Courtesy of BMW OF NORTH AMERICA, INC.

Main bearing classification (1) in crankcase.

Installation note: 

When all the letters and number code have been determined, the bearing shell color must be allocated, see table.

Fig 4: Identifying Main Bearing Classification
G04725451Courtesy of BMW OF NORTH AMERICA, INC.