11 12 105 Removing and installing left cylinder head (N63)

WARNING: This page is about a different car, the 2013 BMW X5, 2012 BMW X5, and 2011 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

11 4 470
81 22 2 184 136.
2 364 711
11 4 471
11 4 472

Necessary preliminary tasks:

Remove FRONT AXLE completely with engine and transmission.
The graphic shows the removed engine on a lifting table special tool 81 22 2 184 136.

The graphic shows the E72

Fig 1: Removing Front Axle From Engine And Transmission
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Necessary preliminary tasks:

Check TIMING .
REMOVE INTAKE AND EXHAUST CAMSHAFT ADJUSTERS ON LEFT SIDE .

Release screw (1).

NOTE: Guide rail is loose from cylinder head.

Fig 2: Identifying Cylinder Head Screw

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Release bolts (1) at front from cylinder head.

Fig 3: Identifying Cylinder Head Bolts

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

Remove all cylinder head bolts with washer.

NOTE: For purposes of clarity, the graphic shows the camshafts removed.

Fig 4: Left Cylinder Head Bolts Tightening/Loosening Sequence (N63)

Courtesy of BMW OF NORTH AMERICA, INC.

Clean sealing surfaces of cylinder head and engine block.

Remove gasket remnants with special tool 11 4 470 .

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.

Close front oil duct using special tool (B) from tool set 2 364 711 .

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

IMPORTANT: Do not use any metal-cutting tools.

Fig 5: Identifying Front Oil Duct With Special Tool (2 364 711)

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Remove coarse residues on sealing surfaces with special tool 11 4 471 from cylinder head and crankcase.

IMPORTANT: Do not use any cutting tools (emery cloth).

Graphic: B38

Fig 6: Removing Coarse Residues On Sealing Surfaces Using Special Tool 11 4 471

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Remove fine residues on sealing surfaces with special tool 11 4 472 from cylinder head and crankcase.

IMPORTANT: Do not use any metal-cutting tools.
There must be no coolant, water or engine oil in the pocket holes.
Risk of cracking and corrosion!

Clean all blind holes with suitable auxiliary materials.

Fig 7: Removing Fine Residues On Sealing Surfaces

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Replace CYLINDER HEAD GASKET .

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

NOTE: Graphic shows an N62 engine by way of example.

Fig 8: Locating Coat Joint Between Engine Block And Timing Case Cover

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

Installation note:

Renew cylinder head gasket (2).

Fit new cylinder head gasket (2).

NOTE: Graphic corresponds to cylinders 1-4.

Fig 9: Identifying Fitting Sleeves And Cylinder Head Gasket

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Put the cylinder head on.

Do not wash off bolt coating.

Installation note:

Fit new cylinder head screws.

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

Tighten down cylinder head bolts in sequence 1 - 10.

Fig 10: Left Cylinder Head Bolts Tightening/Loosening Sequence (N63)

Courtesy of BMW OF NORTH AMERICA, INC.

Tightening torque: 11 12 1AZ .

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

Tightening torque: 11 12 2AZ .

Fig 11: Identifying Cylinder Head Bolts

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

Tightening torque: 11 31 3AZ .

Fig 12: Identifying Guide Rail Screw

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If necessary, install camshafts . See 11 31 036 REMOVING AND INSTALLING/REPLACING LEFT EXHAUST CAMSHAFT (N63) or 11 31 032 REMOVING AND INSTALLING/REPLACING LEFT INLET CAMSHAFT (N63) .

Install left INLET AND EXHAUST ADJUSTMENT UNITS .

Assemble engine.