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Home >> BMW >> 2018 >> M4 2D Convertible, Automatic DCT Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 128 (Engine - Repair (S54)) >> Cylinder Head And Cylinder Head Cover >> 11 12 100 Removing And Installing/Sealing Cylinder Head (S54) >> Installation

11 12 100 Removing And Installing/Sealing Cylinder Head (S54): Installation

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Installation of cylinder head is described separately from removal.

Clean sealing faces of cylinder head and engine block; if necessary, remove traces of gasket with hardwood spatula. Make sure no gasket remnants drop into oil and cooling channels.

Check dowel sleeves for damage and correct installation position.

Apply permanently elastic sealing compound Drei Bond 1209 to joints to timing case cover. Replace cylinder head gasket.

Fig 1: Locating Dowel Sleeves
G03117707Courtesy of BMW OF NORTH AMERICA, INC.
CAUTION: Use cylinder head bolts only once. There must be no oil in the tapped holes of the engine block and the timing case cover. Risk of cracking and distorted tightening values.

Put the cylinder head on.

Apply a light coat of oil to washer contact area and thread of new cylinder head bolts.

Tighten down cylinder head bolts in sequence 1 to 14.

Tightening torque, refer to 11 12 6AZ in ENGINE - TIGHTENING TORQUES .

NOTE: Use special tool 00 9 120 for torsion angle tightening.
Fig 2: Cylinder Head Bolts Tightening/Loosening Sequence
G03117708Courtesy of BMW OF NORTH AMERICA, INC.

Install cable holder (1) and screws. Tighten down screws.

Fig 3: Installing Cable Holder
G03117709Courtesy of BMW OF NORTH AMERICA, INC.

Replace sealing washer for screw (2).

Screw down sliding rail (1) with screw (2).

Fig 4: Installing Sliding Rail
G03117710Courtesy of BMW OF NORTH AMERICA, INC.

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

Replace sealing ring (2).

Fig 5: Replacing Sealing Ring
G03117711Courtesy of BMW OF NORTH AMERICA, INC.

Install thrust bearing flange (1).

Install and tighten down screws.

Fig 6: Installing Thrust Bearing Flange
G03117712Courtesy of BMW OF NORTH AMERICA, INC.

Replace O-ring on pipe (3). Install pipe (3).

Install belt pulley (2).

Replace O-ring between thermostat housing (1) and water pump.

Replace O-ring between thermostat housing (1) and return pipe. Install thermostat housing (1) with thermostat.

Fig 7: Installing Belt Pulley And Thermostat Housing
G03117713Courtesy of BMW OF NORTH AMERICA, INC.
CAUTION: It is very easy for the adjustment plates to fall down.

Raise rocker arm.

NOTE: Special tool 11 4 400 is magnetic.

Install all adjustment plates with special tool 11 4 400.

Fig 8: Raising Rocker Arm
G03117714Courtesy of BMW OF NORTH AMERICA, INC.

Install camshafts. Refer to 11 31 019 REPLACING CAMSHAFTS (S54) .

Adjust valve clearance. Refer to 11 34 004 ADJUSTING VALVE CLEARANCE (S54) .

Assemble engine.

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