11 12 105 Removing and Installing Left Cylinder Head (N63)

Special Tools Required: 

• 11 4 470 .
• 81 22 2 184 136.

Necessary Preliminary Tasks: 

• Drain COOLANT .
• Remove FRONT AXLE 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: Identifying Engine and Transmission Removed

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Necessary Preliminary Tasks: 

• Check TIMING .
• Remove Left INLET AND EXHAUST ADJUSTMENT UNIT .

Release Screw (1).

Fig 2: Identifying Screw

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Release Bolts (1) At Front From Cylinder Head.

Fig 3: Identifying Bolts At Front

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Release Cylinder Head Bolts In Sequence (10 To 1).

Remove All Cylinder Head Bolts with Washers.

Fig 4: Left 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 Remnants Drop Into Oil and Cooling Channels.

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: Identifying Joint Between Engine Block and Timing Case Cover

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Check Fitting Sleeves (1) for Damage and Correct Installation Position.

Installation Note: 

Replace Cylinder Head Gasket (2). 

Fit New Cylinder Head Gasket (2).

Fig 6: 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.

Tightening torque 11 12 1AZ .

Fig 7: Left Cylinder Head Bolts Tightening/Loosening Sequence (N63)

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Install and Tighten Down Bolts (1) Between Cylinder Head and Timing Case Cover.

Tightening torque 11 12 2AZ .

Fig 8: Identifying Bolts At Front

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Insert Screw (1) of Guide Rail and Tighten Down.

Tightening torque 11 31 3AZ .

Fig 9: Identifying Screw

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If Necessary, Install Camshafts. See LEFT EXHAUST CAM and LEFT INLET CAM .

Install Left INLET AND EXHAUST ADJUSTMENT UNITS .

Assemble Engine.

FILLING AND VENTING COOLING SYSTEM .