Installing the engine wiring harness for the sensor system 1

Engine wiring harness for sensor system 1 

Courtesy of BMW OF NORTH AMERICA, INC.

• Insert and install the engine wiring harness (1) for sensor system 1.

  Courtesy of BMW OF NORTH AMERICA, INC.

• Connect connectors (1) and lock.

  The connector (1) must engage audibly.

• Secure clamps (arrow).

  Courtesy of BMW OF NORTH AMERICA, INC.

• Position the acoustic cover (2).
• Fasten expanding rivet (1).
• Secure the clamps (arrows).

  Courtesy of BMW OF NORTH AMERICA, INC.

• Fasten the Christmas tree clip (2).
• Fasten expanding rivet (1).
• Secure clamps (arrow).

  Courtesy of BMW OF NORTH AMERICA, INC.

• Secure the positive battery cable (3) to the holder (4) and position on the starter motor.
• Tighten the nut (2) hand-tight.
• Connect connectors (1) and lock audibly.

  Courtesy of BMW OF NORTH AMERICA, INC.

  CAUTION: Improper routing of the positive battery cable  .
  Risk of short circuits! 

  • Route the positive battery cable without abrasions and do not trap.
• Correctly  attach the positive battery cable (1) to the anti-twist lock (2).
• Tighten nut (3).
  TIGHTENING TORQUES SPECIFICATION
  
  

  Battery positive lead to starter
  M8	Tightening torque	13.5 Nm

  Courtesy of BMW OF NORTH AMERICA, INC.

• Connect connectors (1) and lock.

  The connectors (1) must engage audibly.

• Secure clamps (arrow).

  Courtesy of BMW OF NORTH AMERICA, INC.

• Insert and install the engine wiring harness (2) for sensor system 1.
• Tighten down screws (1).
  TIGHTENING TORQUES SPECIFICATION
  
  

  Cable bracket on rear cylinder head/transmission
  M6x20	Tightening torque	10 Nm

  Courtesy of BMW OF NORTH AMERICA, INC.

• Guide in the wiring harness section (2) and install.
• Make sure the detent (arrow) engages audibly.
• Tighten down screws (1).
  TIGHTENING TORQUES SPECIFICATION
  
  

  Cable bracket on rear cylinder head/transmission
  M6x20	Tightening torque	10 Nm

  Courtesy of BMW OF NORTH AMERICA, INC.

• Connect connectors (1) and (2) and lock.

  The connectors (1) and (2) must audibly engage.

  Courtesy of BMW OF NORTH AMERICA, INC.

• Connect connectors (3) and lock.

  The connector (3) must engage audibly.

• Connect connectors (2) and lock.

  The connectors (2) must engage audibly.

• Connect connectors (1) and lock.

  The connectors (1) must engage audibly.

• Secure the clamps (arrows).

  Courtesy of BMW OF NORTH AMERICA, INC.

• Guide in and install the wiring harness section (1) for sensor system 1 on the bracket (2).

  Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work 

• Refer to INSTALLING THE INTAKE PLENUM .
• Refer to INSTALLING THE TANK VENT VALVE .
• Refer to INSTALLING CONTROL UNIT BRACKET .
• Refer to INSTALLING THE INTEGRATED POWER SUPPLY MODULE (PDM) .
• Refer to INSTALLING THE DME CONTROL UNIT .
• Refer to INSTALLING ACOUSTIC COVER AT REAR .
• Refer to INSTALLING ACOUSTIC COVER .
• Refer to INSTALLING CENTER FIREWALL LOWERING PART .
• Refer to INSTALLING THE CENTER COWL UPPER PART .
• 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 TAKING HOOD OUT OF THE SERVICE POSITION .
• Refer to INSTALLING UNDERBODY PROTECTION AT REAR .
• Refer to INSTALLING THE CENTER UNDERBODY PROTECTION .
• Refer to IF INSTALLED: INSTALLING UNDERBODY PROTECTION FOR THE STEERING .
• Refer to INSTALLING THE UNDERBODY PROTECTION OF THE STEERING GEAR .
• Refer to INSTALLING FRONT UNDERBODY PROTECTION .
• Refer to ACTIVATING ELECTRICAL SYSTEM .
• Refer to FILLING AND VENTING THE LOW-TEMPERATURE COOLANT CIRCUIT .