11 12 106 Removing and installing right cylinder head (M62 VANOS from 9/98)

WARNING: This page is about a different car, the 2003 BMW X5 and 2002 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.

Cylinder bank 1 to 4.

Remove right exhaust manifold, refer to 11 62 065 REMOVING AND INSTALLING/REPLACING RIGHT EXHAUST MANIFOLD (M62/N62) .

Unfasten drain plug for coolant on right engine block. Drain and dispose of coolant.

Installation:

Replace sealing ring.

Tightening torque, refer to 11 11 5AZ in ENGINE - TIGHTENING TORQUES - X5 4.6L .

Top up coolant. Vent cooling system and check for leaks,

refer to 17 00 005 DRAINING AND TOPPING UP COOLANT (M62) .

Remove both cylinder head covers, refer to 11 12 004 REMOVING AND INSTALLING/SEALING BOTH CYLINDER HEAD COVERS (M62) .

Remove spark plugs, refer to 12 12 011 REPLACING ALL SPARK PLUGS (M60, M62 .

Remove fan clutch with fan impeller, refer to 11 52 020 REMOVING AND INSTALLING OR REPLACING FAN COUPLING (M62) .

Remove intake air manifold, refer to 11 61 050 REMOVING AND INSTALLING INTAKE AIR MANIFOLD (M62) .

Remove coolant manifold, refer to 11 53 325 REMOVING AND INSTALLING/REPLACING COOLANT MANIFOLD (M62) .

Removal

Removal of cylinder head is described separately from installation.

Remove right camshaft adjustment unit, refer to 11 36 615 REMOVING AND INSTALLING/REPLACING RIGHT CAMSHAFT ADJUSTMENT UNIT (M62 VANOS FROM 9/98) .

E53

Pull back special tool 11 5 180 until flywheel is no longer secured in place.

Fig 1: Installing Special Tool 11 5 180 To Flywheel

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Lift timing chain and hold under tension.

NOTE: Note marks.

Crank engine at central bolt against direction of rotation to 45° before TDC position.

Fig 2: Turning Crankshaft To 45° BTDC

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Remove special tools 11 2 444/443/445/441.

Fig 3: Removing Special Tools 11 2 444/443/445/441

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Release cylinder head bolts in sequence 10 to 1. Lift off cylinder head.

Fig 4: Cylinder Head Bolt Releasing Sequence

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Installation

Installation of cylinder head is described separately from removal.

Clean sealing faces of cylinder head and engine block, if necessary using wooden scraper to remove gasket debris. Ensure that no gasket debris drops into the oil and coolant ducts.

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

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

Fig 5: Sealing Joint Between Engine Block And Timing Case Cover

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Check that dowel sleeves are undamaged and correctly located.

Place new cylinder head gasket in position.

Fig 6: Cylinder Head Gasket Installed Position

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Put the cylinder head on. Install new cylinder head bolts. Do not wash off bolt coating.

NOTE: Use special tool 00 9 120 for torsion angle tightening.

Fig 7: Installing Cylinder Head Bolts Using Special Tool 00 9 120

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Fig 8: Right Cylinder Head Bolts Tightening/Loosening Sequence (M62)

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Tighten down cylinder head bolts in sequence 1 to 10.

Tightening torque, refer to 11 12 8AZ in ENGINE - TIGHTENING TORQUES - X5 4.6L .

CAUTION: Do not damage the cylinder head.

Rotate camshafts until camshaft markings face upwards.

Fig 9: Identifying Camshaft Markings

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Fit special tool 11 2 445/441 to camshafts on cylinder bank 1 to 4.

Fig 10: Fitting Special Tool 11 2 445/441 To Camshafts (Cylinder Bank 1 To 4)

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CAUTION: Do not damage the cylinder head.

Align camshafts with an open-end wrench so that special tools 11 2 441/445 rest without a gap on the cylinder head.

Fig 11: Aligning Camshafts With An Open-End Wrench

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Fit special tool 11 2 443 to special tool 11 2 445/441 and secure with special tool 112 444 using the spark plug thread.

Fig 12: Fitting Special Tool 11 2 443 To Special Tool 11 2 445/441

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E53 (X5)

Lift timing chain and hold under tension.

Crank engine from 45° before TDC position in direction of rotation up to TDC position.

Secure crankshaft with special tool 11 5 180 in TDC position.

CAUTION: Remove special tool 11 5 180 before starting engine.

Fig 13: Securing Crankshaft In TDC Position

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Install right camshaft adjustment unit, refer to 11 36 615 REMOVING AND INSTALLING/REPLACING RIGHT CAMSHAFT ADJUSTMENT UNIT (M62 VANOS FROM 9/98) . Assemble engine.