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

Special tools required: 

• 11 4 470
• 81 22 2 184 136.

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.

  Fig 1: Supporting Engine And Front Axle Transmission Using Lift Truck (81 22 2 184 136)

  Courtesy of BMW OF NORTH AMERICA, INC.

Necessary preliminary tasks:

• Check TIMING .
• Remove INLET AND EXHAUST ADJUSTMENT UNIT ON RIGHT SIDE .

Release screw (1).

Fig 2: Identifying Guide Rail Screw

Courtesy of BMW OF NORTH AMERICA, INC.

Release bolts (1) at front from cylinder head.

Fig 3: Identifying Front Cylinder Head Bolt

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

Remove all cylinder head bolts with washers.

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

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Clean sealing faces of cylinder head and engine block; if necessary, remove gasket debris compound 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 (refer to BMW Parts Service).

Fig 5: Locating Cylinder Head Sealing Face

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

Fit new cylinder head gasket (2).

Fig 6: Identifying Cylinder Head Gasket And Fitting 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 1 AZ.

Fig 7: 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 2 AZ.

Fig 8: Identifying Front Cylinder Head Bolt

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

Tightening torque: 11 31 3 AZ.

Fig 9: 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.