11 12 000 Removing and installing or sealing cylinder head cover (N54)

Special tools required: 

• 11 8 620 

See ENGINE - SPECIAL TOOLS (N54, N63) .

Necessary preliminary tasks: 

• Remove acoustic cover  
• Remove rod-type ignition coils  . See 12 13 511 REPLACING IGNITION COILS (N54, N53, N43) .
• Unclip wiring harness  for injectors. See 12 51 100 REPLACING WIRING HARNESS SECTION FOR IGNITION AND INJECTORS (N54) .
• Remove injectors  . See 13 53 310 REMOVING AND INSTALLING OR REPLACING AN INJECTOR (N54, N53) .
• Remove rear air duct  . See 13 71 170 REMOVING AND INSTALLING REAR AIR DUCT (N54)

Disconnect vacuum lines (2) from vacuum lines (1).

Unclip vacuum lines (1).

Fig 1: Identifying Vacuum Lines And Vacuum Lines

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Disconnect vacuum lines (1) from vacuum lines (2).

Unclip vacuum line (2) and lay to one side.

Fig 2: Identifying Vacuum Lines And Vacuum Lines

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Disconnect crankcase breather (1) on cylinder head cover and pull off in direction of arrow.

Fig 3: Identifying Crankcase Breather

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Release screw (1) with special tool 11 8 620  .

Fig 4: Identifying Screw

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Installation note:  Slotted sleeves (2) for guiding ignition coils in cylinder head cover (1) must be replaced.

Remove slotted sleeves (2).

Fig 5: Identifying Slotted Sleeves And Cylinder Head Cover

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Release screws (1) on cylinder head cover.

Fig 6: Identifying Screws On Cylinder Head Cover

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Release screws (1 and 2).

Tightening torque: 11 12 4AZ  , see CYLINDER HEAD

Fig 7: Identifying Screws

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Installation: 

Clean sealing surface.

Replace seal (1).

Press gasket (1) into cylinder head cover.

Fig 8: Identifying Cylinder Head Cover Gasket

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Assemble engine.