Installing the left cylinder head cover

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

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  NOTE: RISK OF DAMAGE 
  Damage to the surface  .
  The use of metal-cutting tools (e.g., emery cloths) for cleaning surfaces can damage them and lead to leaks and/or engine damage  .

  • Do not use any metal-cutting tools.
• Clean the cylinder head in the area of the sealing surfaces (1)  .

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

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• 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 

Fig 1: Left Cylinder Head Cover Screws Tightening Sequence

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• 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)  .

Fig 2: Left Cylinder Head Cover Screws Tightening Sequence

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• 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)  .
  TIGHTENING TORQUE SPECIFICATIONS
  
  

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

  Courtesy of BMW OF NORTH AMERICA, INC.

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

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

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

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

  Parts:  Screws

• Tighten down screws (1)  .

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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 FRONT STIFFENING PLATE .
• Refer to INSTALLING FRONT UNDERBODY PROTECTION .
• Refer to INSTALLING THE BOTTOM FRONT RIGHT SIDE COVER .
• Refer to INSTALLING DRIVE BELT .
• Refer to INSTALLING FAN COWL .
• Refer to INSTALLING THE REAR TOP CROSS CONNECTION .
• Refer to INSTALLING UPPER CROSS CONNECTION .
• Refer to INSTALLING BOTH FRONT-END STRUTS .
• Refer to INSTALLING THE CENTER ENGINE COMPARTMENT COVER .
• 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 ATTACHING 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 REAR BUMPER PANEL .
• Refer to INSTALLING BOTH EXHAUST COVERS .
• Refer to INSTALLING THE REAR BUMPER TRIM .
• Refer to INSTALLING THE REAR DIFFUSER .
• Refer to IF INSTALLED: INSTALLING THE REAR AXLE COVER .
• Refer to INSTALLING THE TORSION STRUT ON THE REAR LEFT AND RIGHT .
• Refer to INSTALLING THE CONNECTING SUPPORTS ON THE TUNNEL .
• Refer to INSTALLING THE UNDERBODY PLANKING OF THE TRANSMISSION ON THE SIDE .
• Refer to INSTALLING THE TAIL LIGHT ON THE LEFT AND RIGHT SIDE PANELS .
• Refer to INSTALLING COVER FOR WATER CHANNEL ON LEFT AND RIGHT .
• Refer to INSTALLING LUGGAGE COMPARTMENT WHEEL ARCH TRIM PANEL LEFT AND RIGHT PARTIALLY .
• Refer to INSTALLING THE TOP LUGGAGE COMPARTMENT TRIM PANEL .
• Refer to INSTALLING TRUNK COMPARTMENT LIGHT .
• Refer to INSTALLING LOADING EDGE TRIM .
• Refer to INSTALLING LUGGAGE COMPARTMENT FLOOR COVERING .
• 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 .