11 12 105 Removing and installing left cylinder head (M62 VANOS from 9/98)

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2003 BMW 540i, 2002 BMW 540i, 2001 BMW 540i, 2000 BMW 540i, and 1999 BMW 540i. However, it is still accessible from the selected car via links, so may be relevant.

(Cylinder bank 5-8)

Remove left exhaust manifold, refer to 11 62 060 REMOVING AND INSTALLING/REPLACING EXHAUST MANIFOLD, LEFT (M62 VANOS FROM 9/98) .

Unfasten drain plug for coolant on left engine block.

Drain and dispose of coolant.

Installation

Replace sealing ring.

Tightening torque, refer to 11 11 5AZ in ENGINE - TIGHTENING TORQUES - 540i .

Top up coolant. Vent cooling system and check for leaks, refer to 17 00 005 DRAINING AND TOPPING UP COOLANT .

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 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 left camshaft adjustment unit, refer to 11 36 610 REMOVING AND INSTALLING/REPLACING LEFT CAMSHAFT ADJUSTMENT UNIT (M62 VANOS FROM 9/98) .

NOTE: Pull on connecting piece (1), otherwise only the hose will slip down from the vent pipe and the connecting piece (1) will remain in the angle bracket (2).

Withdraw connecting piece (1) with vent pipe from angle bracket (2) of oil separator.

Fig 1: Withdrawing Connecting Piece With Vent Pipe From Angle Bracket Of Oil Separator

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Pull special tool 11 2 300 back until flywheel is no longer secured in position.

Fig 2: Identifying Special Tool

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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 3: Cranking Engine At Central Bolt

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Remove special tools 11 2 444 / 443 / 442 / 446.

Fig 4: Identifying Special Tool

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Release and remove grub screw (1).

NOTE: The grub screw (1) secures the angle bracket (2) in the cylinder head.

Fig 5: Removing Grub Screw

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Detach guide rail from cylinder head.

Fig 6: Detaching Guide Rail From Cylinder Head

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Release cylinder-head bolts in sequence 10... 1.

Lift off cylinder head.

Fig 7: Identifying Cylinder-Head Bolts

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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 8: Coating Joint Between Engine Block And Timing Case Cover With Drei Bond

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Check that dowel sleeves are undamaged and correctly located.

Place new cylinder head gasket in position.

Fig 9: Placing New Cylinder Head Gasket In 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 as a torsion angle bracket.

Fig 10: Identifying Special Tool 00 9 120

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

Tightening torque, refer to 11 11 1AZ in ENGINE - TIGHTENING TORQUES - 540i .

Fig 11: Tightening Down Cylinder-Head Bolts

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Insert and tighten down guide rail screw.

Fig 12: Inserting And Tighten Down Guide Rail Screw

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Align angle bracket (2) so that it snaps into place in guide on cylinder head.

NOTE: The grub screw (1) is secured with a plastic coating and locates the angle bracket (2) in place in the cylinder head.

Insert new grub screw (1) only until it makes contact with angle bracket (2) without play; do not tighten down.

Fig 13: Inserting New Grub Screw

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CAUTION: Do not damage the cylinder head.

Rotate camshafts until camshaft markings face upwards.

Fig 14: Rotating Camshafts Until Camshaft Markings Face Upwards

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Align camshafts.

Fit special tool 11 2 446 / 442 to camshafts on cylinder bank 5 to 8.

Fig 15: Fitting Special Tool

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CAUTION: Do not damage the cylinder head.

Align camshafts with an open-end wrench so that special tools 11 2 442 / 446 rest without a gap on the cylinder head.

Fig 16: Aligning Camshafts With An Open-End Wrench

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Fit special tool 11 2 443 to special tool 11 2 446 / 442 and secure with special tool 11 2 444 using the spark plug thread.

Fig 17: Fitting Special Tool

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Lift timing chain and hold under tension.

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

Hold crankshaft in TDC position with special tool 11 2 300.

CAUTION: Remove special tool 11 2 300 before starting engine.

Fig 18: Holding Crankshaft In TDC Position With Special Tool

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CAUTION: Any leakage in the area of the engine breather will result in heavy oil loss and engine damage.

Make sure that hose connection between vent pipe and connecting piece (1) does not slip and is not leaking. Replace sealing rings on vent pipe (1) and on angle bracket (2). Apply a thin coat of grease to sealing rings.

Insert vent pipe (1) in angle bracket (2).

Fig 19: Inserting Vent Pipe In Angle Bracket

Courtesy of BMW OF NORTH AMERICA, INC.

Remove left camshaft adjustment unit, refer to 11 36 610 REMOVING AND INSTALLING/REPLACING LEFT CAMSHAFT ADJUSTMENT UNIT (M62 VANOS FROM 9/98) .

Assemble engine.