Installing cylinder head cover

Bolts of the cylinder head cover 

Fig 1: Cylinder Head Cover Bolts Tightening Sequence

Courtesy of BMW OF NORTH AMERICA, INC.

• There must be no oil or grease on sealing surface (1).

  Courtesy of BMW OF NORTH AMERICA, INC.

• Replace the seals (1).

  Parts:  Seals

  Courtesy of BMW OF NORTH AMERICA, INC.

• Insert and install the cylinder head cover (1).

  Courtesy of BMW OF NORTH AMERICA, INC.

• Make sure that the cylinder head cover (1) is correctly installed in the marked area on the high pressure pump bracket (2).

  The cylinder head cover (1) must not be in the marked area on the high pressure pump bracket (2).

  Courtesy of BMW OF NORTH AMERICA, INC.

• Position the cylinder head cover (A).
• Make sure that the cylinder head cover (A) does not touch the high pressure pump bracket!
• Tighten all screws in the sequence (1) to (21).
  TIGHTENING TORQUE SPECIFICATION
  
  

  Cylinder head cover to cylinder head
  M6X30	Joining torque	8 Nm

  Fig 2: Cylinder Head Cover Screws Tightening Sequence

  Courtesy of BMW OF NORTH AMERICA, INC.
• Tighten all screws in the sequence (1) to (21).
  TIGHTENING TORQUE SPECIFICATION
  
  

  Cylinder head cover to cylinder head
  M6X30	tightening torque	11 Nm

• Insert and install the engine ventilation line (2).
• Ensure that locks (1) engage audibly.

  Courtesy of BMW OF NORTH AMERICA, INC.

• Feed in and install the wiring harness section (1) for sensor system 2.
• Make sure that the locks (arrows) engage audibly.

  Courtesy of BMW OF NORTH AMERICA, INC.

• Insert and position the holders (4).
• Tighten down screws (3).
  TIGHTENING TORQUE SPECIFICATION
  
  

  Auxiliary coolant pump holder to cylinder head
  M6	tightening torque	7 Nm

  Courtesy of BMW OF NORTH AMERICA, INC.

• Thread in ground cable (2) and install.
• Tighten nut (1).
  TIGHTENING TORQUE SPECIFICATION
  
  

  Standard screw connection M6
  M6	Tightening torque	8 Nm

• Connect and lock the connector (1) to the exhaust camshaft sensor.
• Make sure the connector (1) engages audibly on the exhaust camshaft sensor.
• Secure clamps (2).

  Courtesy of BMW OF NORTH AMERICA, INC.

  NOTE: The following step(s) must be performed if the listed component(s) is/are installed.
• Feed in and install the differential pressure sensor (3).
• Tighten down screw (2).
  TIGHTENING TORQUE SPECIFICATION
  
  

  Differential pressure sensor to holder
  TS6X18	Tightening torque	3.5 Nm

  Courtesy of BMW OF NORTH AMERICA, INC.

• Connect and lock the connector (1).
• Make sure the connector (1) engages audibly.
  CAUTION: Improper routing of the positive battery cable. 
  Risk of short circuits! 

  • Route the positive battery cable without abrasions and do not trap.

  Courtesy of BMW OF NORTH AMERICA, INC.

• Feed in the bracket (2) of positive battery cable and install.
• Tighten down screws (1).
  TIGHTENING TORQUE SPECIFICATION
  
  

  Holder, positive battery cable to cylinder head cover
  6X18	Tightening torque	6 Nm

• Secure clamps (1).

  Courtesy of BMW OF NORTH AMERICA, INC.

• Secure clamps (1).

  Courtesy of BMW OF NORTH AMERICA, INC.

• Connect and lock the connector (1) on the intake camshaft sensor.
• Make sure the connector (1) engages audibly.
• Secure clamps (2).

  Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work 

• Refer to INSTALLING BOTH ACTUATORS .
• Refer to INSTALLING HIGH PRESSURE PUMP .
• 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 HIGH-PRESSURE LINE BETWEEN THE HIGH-PRESSURE PUMP AND THE HIGH-PRESSURE RAIL .
• Refer to INSTALLING FUEL DELIVERY LINE .
• Refer to INSTALLING ALL IGNITION COILS .
• Refer to INSTALLING FAN COWL .
• Refer to INSTALLING THE REAR TOP CROSS CONNECTION .
• Refer to INSTALLING UPPER CROSS CONNECTION .
• Refer to INSTALLING FRONT-END STRUT ON LEFT AND RIGHT .
• Refer to IF INSTALLED: INSTALLING THE COVER IN THE ENGINE COMPARTMENT AT TOP LEFT AND RIGHT (PARTIALLY REMOVED) .
• Refer to INSTALLING THE COVER FOR CENTER ENGINE COMPARTMENT .
• Refer to INSTALLING THE FRONT HOOD SEAL .
• Refer to CONNECTING ALL BATTERY GROUND LEADS .
• Refer to ACTIVATING THE 48 V ELECTRICAL SYSTEM .
• Refer to INSTALLING CENTER FIREWALL LOWERING PART .
• Refer to INSTALLING ACOUSTIC COVER AT REAR .
• Refer to INSTALLING THE CENTER COWL UPPER PART .
• Refer to INSTALLING WINDSHIELD PANEL COVER .
• Refer to INSTALLING THE COVER OF THE ENGINE COMPARTMENT ON THE REAR LEFT .
• Refer to INSTALLING THE REAR RIGHT ENGINE COMPARTMENT COVER .
• Refer to INSTALLING LEFT AND RIGHT WIPER ARM .
• Refer to INSTALLING ACOUSTIC COVER .
• Refer to INSTALLING THE REAR HOOD SEAL .
• Refer to TAKING HOOD OUT OF THE SERVICE POSITION .