11 12 106 Removing and installing right cylinder head (N63)

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Special tools required:

11 4 470

See ENGINE - SPECIAL TOOLS (N54, N63) .

Necessary preliminary tasks:

Check timing .
Remove inlet and exhaust adjustment unit on right side .

Release screw (1).

NOTE: Guide rail is loose from cylinder head.

Fig 1: Identifying Guide Rail Screw

Courtesy of BMW OF NORTH AMERICA, INC.

Release bolts (1) at front from cylinder head.

Fig 2: Identifying Timing Case Bolts

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Release cylinder head bolts in sequence (10 to 1).

Remove all cylinder head bolts with washers.

NOTE: Shown without camshafts for purposes of clarity.

Fig 3: Right Cylinder Head Bolts Tightening/Loosening Sequence (N63)

Courtesy of BMW OF NORTH AMERICA, INC.

Clean sealing faces of cylinder head and crankcase; if necessary, remove gasket debris with special tool 11 4 470.

Make sure no gasket debris drops into the oil and coolant ducts.

Threaded bores in engine block must be free of dirt and oil (risk of cracking) .

Check cylinder head for leaks .

Check cylinder head sealing face for surface evenness.

Coat joint between engine block and timing case cover with Drei Bond 1209).

NOTE: Illustrations show N62.

Fig 4: Coat Joint Between Engine Block And Timing Case Cover

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Check dowel sleeves (1) for damage and correct installation position.

Fit new cylinder head gasket (2).

Fig 5: Identifying Cylinder Head Gasket And Dowel Sleeves

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Put the cylinder head on.

Do not wash off bolt coating.

Insert new cylinder head bolts and initially tighten so that they are free of play.

Tighten down the cylinder-head bolts in order 1... 10.

Tightening torque: 11 12 1AZ, see CYLINDER HEAD WITH COVER

Fig 6: Right Cylinder Head Bolts Tightening/Loosening Sequence (N63)

Courtesy of BMW OF NORTH AMERICA, INC.

Install and tighten down bolts (1) between cylinder head and timing case cover.

Tightening torque: 11 12 2AZ, see CYLINDER HEAD WITH COVER

Fig 7: Identifying Timing Case Bolts

Courtesy of BMW OF NORTH AMERICA, INC.

Insert screw (1) of guide rail and tighten down.

Tightening torque: 11 31 3AZ, see 11 31 CAMSHAFT

Fig 8: Identifying Guide Rail Screw

Courtesy of BMW OF NORTH AMERICA, INC.

If necessary, install camshafts .

Install inlet and exhaust adjustment unit on left side .

Assemble engine.