11 12 105 Removing and installing left cylinder head (M62): Installation

WARNING: This page is about a different variant/trim than selected.

Replace sealing ring.

Tightening torque,

refer to 11 11 5AZ in ENGINE - TIGHTENING TORQUES

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 .

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) .

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 the block)

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

Fig 1: Identifying Joint Between Engine Block And Timing Case Cover

Courtesy of BMW OF NORTH AMERICA, INC.

Check that dowel sleeves are undamaged and correctly located.

Place new cylinder head gasket in position.

Fig 2: Identifying Dowel Sleeves

Courtesy of BMW OF NORTH AMERICA, INC.

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 3: Installing Cylinder Head Bolts Using Special Tool 00 9 120

Courtesy of BMW OF NORTH AMERICA, INC.

Tighten down cylinder head bolts in sequence 1 to 10.

Tightening torque,

refer to 11 12 8AZ in ENGINE - TIGHTENING TORQUES .

Fig 4: Left Cylinder Head Bolts Tightening/Loosening Sequence (M62)

Courtesy of BMW OF NORTH AMERICA, INC.

Insert and tighten down guide rail screw.

Fig 5: Identifying Guide Rail Screw

Courtesy of BMW OF NORTH AMERICA, INC.

CAUTION: Do not damage the cylinder head.

Rotate camshafts until camshaft markings face upwards.

Fig 6: Identifying Camshaft Markings

Courtesy of BMW OF NORTH AMERICA, INC.

Align camshafts.

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

Fig 7: Fitting Special Tool 11 2 446 / 442 To Camshafts On Cylinder Bank 5 To 8

Courtesy of BMW OF NORTH AMERICA, INC.

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 8: Aligning Camshafts With An Open-End Wrench

Courtesy of BMW OF NORTH AMERICA, INC.

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 9: Securing Fitting Of Special Tool 11 2 443 And 11 2 446 / 442 With Special Tool 11 2 444

Courtesy of BMW OF NORTH AMERICA, INC.

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 10: Securing Crankshaft With Special Tool 11 5 180

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.