Installing the left cylinder head cover

• Close the openings (1)  on the cylinder head.

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• Clean the cylinder head in the area of the sealing surfaces (1)  .
• Open the openings (1)  on the cylinder head.

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Courtesy of BMW OF NORTH AMERICA, INC.

• Make sure that the fitting sleeves (1)  are installed.

  The fitting sleeves must not  be damaged or deformed.

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• Replace the circular seal (1)  .

  Parts:  Seal

• Replace seals (2)  .

  Parts:  Seals

• Replace seals (3)  .

  Parts:  Seals

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Tightening the screws of the left cylinder head cover 

Screwing sequence of the left cylinder head cover 

• Insert and position the cylinder head covers.
• Abut bolts (10)  and (15)  .

  The layout of screws (10)  and (15)  is required for exact positioning of the camshaft position sensors.

• Tighten screws in the order (1)  to (17)  .

Cylinder head cover to cylinder head
M6x30 screw	tightening torque	10 Nm

• Clip in the holder of the coolant hoses (1)  on the refrigerant line (2)  .

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• Mount the holder for the charge air cooler.
• Tighten down screw (1)  .

Charge air cooler holder on cylinder head cover
M6x18	tightening torque	8 Nm

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• Position the grounding cables (3)  .
• Tighten down screw (2)  .

Ground connection on cylinder head cover
M6x14 screw	tightening torque	10 Nm

• Connect connectors (1)  and lock.
• Clip in the holder (1)  .

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Courtesy of BMW OF NORTH AMERICA, INC.

• Position the heat shield (2)  .
• Replace screws (1)  .

  Parts:  Screws

• Tighten down screws (1)  .

Heat protection plate
M6x12 screw Replace screw.	tightening torque	10 Nm

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Follow-up work 

• Refer to INSTALLING VANOS SOLENOID ACTUATOR, EXHAUST OF CYLINDER BANK 1 .
• Refer to INSTALLING THE VANOS SOLENOID ACTUATOR INTAKE OF CYLINDER BANK 1 .
• Refer to INSTALLING RIGHT HIGH PRESSURE PUMP .
• Refer to INSTALLING THE INJECTORS FOR THE CYLINDERS 1 TO 4 .
• Refer to INSTALLING THE RIGHT HIGH-PRESSURE RAIL .
• Refer to INSTALLING IGNITION COILS OF CYLINDER BANK 1 .
• Refer to PARTIALLY INSTALLING THE GUIDE TUBE FOR THE OIL DIPSTICK .
• Refer to INSTALLING THE EXHAUST TURBOCHARGER FOR THE CYLINDERS 1 TO 4 .
• Refer to INSTALLING VANOS SOLENOID ACTUATOR, INTAKE OF CYLINDER BANK 2 .
• Refer to INSTALLING THE VANOS SOLENOID ACTUATOR EXHAUST OF CYLINDER BANK 2 .
• Refer to INSTALLING THE LEFT HIGH PRESSURE PUMP .
• Refer to INSTALLING FUEL DELIVERY LINE .
• Refer to INSTALLING THE INJECTORS FOR THE CYLINDERS 5 TO 8 .
• Refer to INSTALLING THE HIGH-PRESSURE RAIL ON THE LEFT .
• Refer to INSTALLING THE IGNITION COILS OF CYLINDER BANK 2 .
• Refer to INSTALLING THE IGNITION COILS OF CYLINDERS 1 AND 5 .
• Refer to INSERTING THE EXHAUST TURBOCHARGER FOR THE CYLINDERS 5 TO 8 .
• Refer to INSTALLING THE CLEAN AIR PIPE OF CYLINDER BANK 2 .
• Refer to INSTALLING CLEAN AIR PIPE OF CYLINDER BANK 1 .
• Refer to INSTALLING BOTH CHARGE AIR COOLERS .
• Refer to CONNECTING THE RIGHT CHARGE AIR LINE TO THE EXHAUST TURBOCHARGER .
• Refer to CONNECTING THE LEFT CHARGE AIR LINE TO THE EXHAUST TURBOCHARGER .
• Refer to CLOSING THE HIGH-TEMPERATURE COOLANT CIRCUIT .
• Refer to INSTALLING THE COOLANT EXPANSION TANK FOR THE LOW-TEMPERATURE COOLANT CIRCUIT (CHARGE AIR COOLER) .
• Refer to SEALING OFF COOLANT FOR LOW-TEMPERATURE COOLANT CIRCUIT .
• Refer to INSTALLING THE UNDERBODY PROTECTION OF THE STEERING GEAR OR THE FRONT THRUST FIELD .
• Refer to INSTALLING THE FRONT UNDERBODY PROTECTION OR FRONT THRUST FIELD .
• Refer to INSTALLING THE FRONT LEFT BOTTOM WHEEL ARCH COVER .
• Refer to INSTALLING THE FRONT BOTTOM RIGHT WHEEL ARCH COVER .
• Refer to INSTALLING DRIVE BELT .
• Refer to INSTALLING FAN COWL .
• Refer to INSTALLING THE REAR TOP CROSS CONNECTION .
• Refer to INSTALLING FRONT CROSS CONNECTION (FRONT-END STRUT REMOVED) .
• Refer to INSTALLING BOTH FRONT-END STRUTS .
• Refer to INSTALLING THE COVER OF THE ENGINE COMPARTMENT CENTER .
• Refer to INSTALLING THE CATALYTIC CONVERTER FOR CYLINDERS 5 TO 8 .
• Refer to RELEASING THE HEAT SHIELD .
• 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 RIGHT HEAT SHIELD .
• Refer to INSTALLING LEFT HEAT SHIELD .
• Refer to INSTALLING HEAT SHIELD, TOP .
• Refer to INSTALLING THE RIGHT OXYGEN SENSOR MONITOR .
• Refer to INSTALLING THE LEFT OXYGEN SENSOR MONITOR .
• Refer to PARTIALLY INSTALLING THE RIGHT LAMBDA OXYGEN SENSOR .
• Refer to PARTIALLY INSTALLING THE LEFT LAMBDA OXYGEN SENSOR .
• Refer to INSTALLING THE RETAINING BRIDGE IN VEHICLES WITH A GASOLINE PARTICULATE FILTER .
• Refer to INSTALLING THE RETAINING BRIDGE .
• Refer to INSTALLING EXHAUST SYSTEM .
• Refer to INSTALLING THE CONNECTING SUPPORTS ON THE TUNNEL .
• Refer to IF INSTALLED: INSTALLING THE TORSION STRUT ON THE RIGHT, AND ON THE LEFT WHERE REQUIRED .
• Refer to INSTALLING THE REAR DIFFUSER .
• Refer to INSTALLING THE CONTROL UNIT BRACKET FOR CYLINDERS 5 TO 8 .
• Refer to INSTALLING THE COVER OF THE LEFT DME CONTROL UNIT .
• Refer to INSTALLING CONTROL UNIT HOLDER FOR CYLINDERS 1 TO 4 .
• Refer to INSTALLING THE COVER OF THE RIGHT DME CONTROL UNIT .
• Refer to CONNECTING ALL BATTERY GROUND LEADS .
• Refer to FILLING AND VENTING THE LOW-TEMPERATURE COOLANT CIRCUIT .
• Refer to FILLING AND VENTING THE HIGH-TEMPERATURE COOLANT CIRCUIT .