Installing the cylinder head

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Cylinder head screws

Fig 1: Cylinder Head Screws Tightening Sequence

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CAUTION: Heavy component .
Heavy components can lead to injury or damage .

Remove and install heavy components with the aid of another person/other persons.

NOTE: RISK OF DAMAGE
Damage to threads .
Fluids in the threaded hole can damage the thread if screws in it are tightened .

Dry threaded holes (e.g. using compressed air).

NOTE: TECHNICAL INFORMATION
Do not remove screw coating.

NOTE: TECHNICAL INFORMATION
When replacing the cylinder head: The complete valve timing and the Valvetronic servomotor are already pre-assembled for new cylinder heads.

NOTE: RISK OF DAMAGE
Damage to guide rails .
The application of great force can damage the guide rails of the timing chain .

When removing and installing the cylinder head, make sure that the cylinder head does not damage the guide rail.

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Insert, position and install the cylinder head (1) and exhaust turbocharger with the help of a support person, the workshop crane and special tool 0 490 567 (11 0 020) .
Ensure that the guide rails of the timing chain are not damaged.
Insert and install washer (2) .
Replace the cylinder head bolts (1) .
Parts: Cylinder head bolts
Do not wash off the coating (1) of the cylinder head bolts .
Lightly oil contact surfaces of cylinder head bolt screw heads.
There must be no coolant, water or engine oil in the threaded holes of the crankcase.
Guide in and install cylinder head bolts (1) .

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NOTE: TECHNICAL INFORMATION
When assembling, it is essential to observe screwing sequences and tightening torques.
Failure to comply with the regulations can lead to leaks and damage.

Screw in the cylinder head bolts in the sequence (1) to (14) .
Tighten cylinder head bolts with special tool 0 495 747 (11 8 580) and 0 490 504 (00 9 120) in the order (1) to (14) .

Fig 2: Cylinder Head Bolts Tightening Sequence

Courtesy of BMW OF NORTH AMERICA, INC.

TIGHTENING TORQUE SPECIFICATIONS

Cylinder head to crankcase
M11X188 13.9 Observe tightening sequence! Fit new cylinder head bolts.	1. Joining torque 2. Angle of rotation 3. Angle of rotation	50 Nm 180° 180°

Replace cylinder head bolts (1) to (5) .
Parts: Cylinder head bolts
Make sure that there is no coolant, water or engine oil in the threaded holes of the timing case cover.
Screw in cylinder head bolts (1) to (5) .
Tighten the cylinder head bolts in the sequence (1) to (5) .

TIGHTENING TORQUE SPECIFICATIONS

Cylinder head bolt to timing case cover
M8x40 Replace screws.	Tightening torque	19 Nm

Fig 3: Cylinder Head Bolts Tightening Sequence

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Feed in and position camshaft sensor wheel (1) on the intake camshaft (2) .

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Rotate the intake camshaft, if necessary, in the position shown.
The recess (2) must point upward.
Tighten down screw (1) .

TIGHTENING TORQUE SPECIFICATIONS

Camshaft sensor wheel to intake camshaft
M4x35	Tightening Torque	4.5 Nm

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Replace bearing journal (1) .
Parts: Bearing journal

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Feed in and install bearing journal (1) on the guide rail (2) .
Tighten the bearing journals (1) .

TIGHTENING TORQUE SPECIFICATIONS

Bearing journal to cylinder head
Bearing journal Replace the bearing journal!	Tightening torque	22 Nm

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Insert slide rail (2) and install.
Tighten down screws (1) .

TIGHTENING TORQUE SPECIFICATIONS

Sliding rail to cylinder head
M6x16	Tightening Torque	8 Nm

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NOTE: RISK OF DAMAGE
Improper routing of cables and wiring harnesses .
Trapped, crushed or damaged cables may cause short circuits and malfunctions .

Route all cables without abrasions, do not trap and crush.

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Guide in and install the wiring harness section (2) for sensor system 1.
Tighten down screw (1) .

TIGHTENING TORQUE SPECIFICATIONS

Cable bracket on rear cylinder head/transmission
M6 x 20	tightening torque	8 Nm

NOTE: RISK OF DAMAGE
Improper routing of cables and wiring harnesses .
Trapped, crushed or damaged cables may cause short circuits and malfunctions .

Route all cables without abrasions, do not trap and crush.

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Guide in and install the transmission wiring harness (2) on the wiring harness section (3) for sensor system 1.
Tighten down screws (1) .

TIGHTENING TORQUE SPECIFICATIONS

Cable bracket on rear cylinder head/transmission
M6 x 20	tightening torque	8 Nm

NOTE: RISK OF DAMAGE
Improper routing of cables and wiring harnesses .
Trapped, crushed or damaged cables may cause short circuits and malfunctions .

Route all cables without abrasions, do not trap and crush.

Feed in and position holder (2) .
Tighten the screws (1) .

Courtesy of BMW OF NORTH AMERICA, INC.

TIGHTENING TORQUE SPECIFICATIONS

Holder for the tank vent valve on crankcase
M6X16	tightening torque	8 Nm

Secure clamps (3) .
Connect and lock coolant line (1) .
Make sure that the coolant line (1) engages audibly.

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Connect connectors (1) and lock.
The connector (1) must engage audibly.

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Feed in and position holder (3) .
Tighten the screws (2) .

TIGHTENING TORQUE SPECIFICATIONS

Auxiliary coolant pump holder to cylinder head
M6	Tightening torque	8 Nm

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Tighten down screw (1) .

TIGHTENING TORQUE SPECIFICATIONS

Grounding cable on cylinder head
M6 x 16	Tightening Torque	8 Nm

Connect connectors (1) and lock.
The connector (1) must engage audibly.

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Unscrew the bolts (1) of the special tool 2 459 012 .
Feed out the special tool 2 459 012 at the cylinder head and remove.

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Feed in and position holder (2) .
Tighten the screws (1) .

TIGHTENING TORQUE SPECIFICATIONS

Holder for the heat shield on crankcase
M6X16	tightening torque	8 Nm

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Follow-up work

Refer to INSTALLING THE OIL RETURNING LINE IN THE CYLINDER HEAD .
Refer to ADJUSTING THE CAMSHAFTS WITH THE SPECIAL TOOL .
Refer to INSTALLING THE INTAKING ADJUSTER .
Refer to INSTALLING EXHAUST CAMSHAFT ADJUSTER .
Refer to INSTALLING THE VANOS CENTRAL VALVE OF THE INTAKING ADJUSTER .
Refer to INSTALLING THE VANOS CENTRAL VALVE OF THE EXHAUST CAMSHAFT ADJUSTER .
Refer to PRE-TENSIONING THE TIMING CHAIN WITH THE SPECIAL TOOL .
Refer to TIGHTENING THE VANOS CENTRAL VALVE OF THE EXHAUST CAMSHAFT ADJUSTER .
Refer to TIGHTENING THE VANOS CENTRAL VALVE OF THE INTAKING ADJUSTER .
Refer to REMOVING ALL SPECIAL TOOLS .
Refer to INSTALLING CHAIN TENSIONER .
Refer to CHECKING THE TIMINGS OF THE CAMSHAFT .
Refer to INSTALLING THE INTAKING PLENUM .
Refer to INSTALLING THE COOLANT EXPANSION TANK FOR THE LOW-TEMPERATURE COOLANT CIRCUIT .
Refer to INSTALLING THE CONTROL UNIT HOLDER .
Refer to PARTIALLY INSTALLING THE INTEGRATED POWER SUPPLY MODULE (PDM) .
Refer to INSTALLING THE DME CONTROL UNIT .
Refer to INSTALLING THE COVER FOR THE DME CONTROL UNIT .
Refer to INSTALLING CYLINDER HEAD COVER .
Refer to INSTALLING BOTH ACTUATORS .
Refer to INSTALLING THE COOLANT RETURNING LINE BETWEEN THE EXHAUST TURBOCHARGER AND THERMOSTAT .
Refer to INSTALLING THE COOLANT FEED LINE PART 2 BETWEEN THE AUXILIARY COOLANT PUMP AND EXHAUST TURBOCHARGER .
Refer to INSTALLING THE OIL FEED LINE FOR CYLINDERS 1 TO 3 .
Refer to FASTENING THE AUXILIARY COOLANT PUMP FOR THE EXHAUST TURBOCHARGER .
Refer to INSTALLING THE OIL FEED LINE FOR CYLINDERS 4 TO 6 .
Refer to INSTALLING THE OIL RETURNING LINE FOR CYLINDERS 1 TO 3 .
Refer to INSTALLING THE OIL RETURNING LINE FOR CYLINDERS 4 TO 6 .
Refer to INSTALLING THE EXHAUST TURBOCHARGER HEAT SHIELD FOR CYLINDERS 1 TO 3 .
Refer to INSTALLING THE CONNECTING BRACKET ON THE EXHAUST TURBOCHARGER FOR CYLINDERS 4 TO 6 .
Refer to PREPARING THE INJECTORS FOR INSTALLATION .
Refer to INSTALLING THE HIGH-PRESSURE RAIL WITH INJECTORS OF THE CYLINDERS 4 TO 6 .
Refer to INSTALLING THE HIGH-PRESSURE RAIL WITH INJECTORS OF THE CYLINDERS 1 TO 3 .
Refer to INSTALLING THE TWO HIGH PRESSURE PUMPS .
Refer to INSTALLING THE HIGH PRESSURE LINE BETWEEN THE HIGH PRESSURE PUMP AND THE RAIL FOR CYLINDERS 1 TO 6 .
Refer to INSTALLING FUEL DELIVERY LINE .
Refer to INSTALLING ALL SPARK PLUGS .
Refer to INSTALLING ALL IGNITION COILS .
Refer to INSTALLING THE CHARGE AIR LINE .
Refer to INSTALLING THE CHARGE AIR DUCT FOR CYLINDERS 4-6 .
Refer to INSTALLING THE CHARGE AIR DUCT FOR 1-3 CYLINDERS .
Refer to INSTALLING THE TWO CATALYTIC CONVERTERS .
Refer to INSTALLING THE LAMBDA OXYGEN SENSOR FOR THE CYLINDERS 4 TO 6 .
Refer to INSTALLING THE LAMBDA OXYGEN SENSOR FOR THE CYLINDERS 1 TO 3 .
Refer to INSTALLING THE HOLDER OF THE POSITIVE BATTERY CABLE .
Refer to PARTIALLY INSTALLING THE COOLANT EXPANSION TANK OF THE HIGH-TEMPERATURE COOLANT CIRCUIT .
Refer to INSTALLING THE CLEAN AIR PIPE FOR CYLINDERS 4-6 .
Refer to INSTALLING THE RIGHT INTAKE FILTER HOUSING (FRONT-END STRUT REMOVED) .
Refer to INSTALLING THE INTAKE FILTER HOUSING ON THE LEFT (FRONT-END STRUT REMOVED) .
Refer to INSTALLING THE CLEAN AIR PIPE FOR CYLINDERS 1 TO 3 .
Refer to INSTALLING FAN COWL .
Refer to SECURING THE ENGINE OIL COOLER .
Refer to INSTALLING THE REAR TOP CROSS CONNECTION .
Refer to INSTALLING UPPER CROSS CONNECTION .
Refer to INSTALLING THE CENTER ENGINE COMPARTMENT COVER .
Refer to INSTALLING THE FRONT HOOD SEAL .
Refer to INSTALLING THE FRONT-END STRUT .
Refer to TOPPING UP THE MOTOR OIL .
Refer to INSTALLING THE OIL FILLER CAP .
Refer to FILLING THE HIGH-TEMPERATURE COOLING SYSTEM WITH THE VACUUM FILLING EQUIPMENT .
Refer to FILLING THE LOW-TEMPERATURE COOLING SYSTEM WITH THE VACUUM FILLING EQUIPMENT .
Refer to CONNECTING ALL BATTERY GROUND LEADS .
Refer to VENTING THE HIGH-TEMPERATURE COOLANT SYSTEM .
Refer to VENTING THE LOW-TEMPERATURE COOLING SYSTEM .
Refer to CHECKING ENGINE OIL LEVEL .
Refer to INSTALLING CENTER FIREWALL LOWER PART .
Refer to INSTALLING THE CENTER COWL UPPER PART .
Refer to INSTALLING TENSION STRUT ON SHOCK TOWER .
Refer to INSTALLING WINDSHIELD PANEL COVER .
Refer to INSTALLING LEFT AND RIGHT WIPER ARM .
Refer to INSTALLING THE REAR RIGHT ENGINE COMPARTMENT COVER .
Refer to INSTALLING THE COVER OF THE ENGINE COMPARTMENT ON THE REAR LEFT .
Refer to INSTALLING THE REAR HOOD SEAL .
Refer to INSTALLING ACOUSTIC COVER .
Refer to INSTALLING THE STRUT BRACE .
Refer to INSTALLING THE BOTTOM FRONT RIGHT SIDE COVER .
Refer to INSTALLING BOTTOM FRONT COVER FROM THE SIDE .
Refer to INSTALLING THE STIFFENING PLATE .
Refer to INSTALLING FRONT UNDERBODY PROTECTION .
Refer to INSTALLING THE FRONT SPOILER .
Refer to INSTALLING THE LEFT AND RIGHT FRONT UNDERSHIELD .
Refer to TAKING HOOD OUT OF THE SERVICE POSITION .