Installing the intake plenum

• Replace gaskets (1).

  Parts:  Seals

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  NOTE: TECHNICAL INFORMATION 
  Additional coolant can leakage. Make sure that no coolant enters the intake port of the cylinder head.
• Position the intake plenum at the cylinder head.
• Tighten screws in the order (1) to (5).
  NOTE: Tighten the bolts in 360 degree steps.
  Fig 1: Intake Plenum Screws Tightening Sequence

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  TIGHTENING TORQUES SPECIFICATION
  
  

  Intake plenum to cylinder head
  M6	Tightening torque	10 Nm

• Position holder (3).
• Attach the coolant feed line (2) to the clamp.
• Tighten the screws (1).

  Courtesy of BMW OF NORTH AMERICA, INC.

  TIGHTENING TORQUES SPECIFICATION
  
  

  Holder for intake system to cylinder head/crankcase
  M6	Tightening torque	10 Nm

• Tighten the screws (1).

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  TIGHTENING TORQUES SPECIFICATION
  
  

  Intake system to holder front/rear
  	Tightening torque	8 Nm

  NOTE: TECHNICAL INFORMATION 
  Make sure that the connections are locked correctly. The locks must engage audibly.

  Courtesy of BMW OF NORTH AMERICA, INC.

• Lock clamp (2).
• Connect the coolant feed line (1).
• Correctly route the wiring harness and connect the connectors (1) and (2).

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• Position the ventilation line (4) and tighten the bolt (3).

  Courtesy of BMW OF NORTH AMERICA, INC.

  TIGHTENING TORQUES SPECIFICATION
  
  

  Tank vent line to intake system
  	Tightening torque	5 Nm

  NOTE: TECHNICAL INFORMATION 
  Detents, guides and mounting elements must not be damaged or missing.
• Connect the ventilation line (2).
• Clip the ventilation line (1) in at the marked area.
• Attach the ventilation line (4) in the marked area.
• Position the wiring harness (3) and clip it in to the holder (2).
• Clip in engine wiring harness in the marked area.
• Connect connector (1).

  Courtesy of BMW OF NORTH AMERICA, INC.

• Attach the coolant lines (1).

  Courtesy of BMW OF NORTH AMERICA, INC.

  NOTE: TECHNICAL INFORMATION 
  Make sure that the connections are locked correctly. The locks must engage audibly.
• Lock and connect the coolant line (3).
• Correctly route the engine wiring harness and tighten it with the bolts (2).

  Courtesy of BMW OF NORTH AMERICA, INC.

  TIGHTENING TORQUES SPECIFICATION
  
  

  Holder for wiring harness to intake system
  screw	Tightening torque	5 Nm

• Clip the coolant return line into the clamp (1).
  NOTE: TECHNICAL INFORMATION 
  Make sure that the connections are locked correctly. The locks must engage audibly.
• Lock and connect the coolant return line (1).

  Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work 

• Refer to INSTALLING CONTROL UNIT BRACKET .
• Refer to INSTALLING THE DME CONTROL UNIT .
• Refer to INSTALLING THE TANK VENTING VALVE .
• Refer to INSTALLING ACOUSTIC COVER AT REAR .
• Refer to INSTALLING THE FRONT HOOD SEAL AT THE REAR .
• Refer to INSTALLING THE ACOUSTIC COVER FOR THE ENGINE AT THE FRONT .
• Refer to INSTALLING CHARGE AIR LINE .
• Refer to CONNECTING THE COOLANT LINE OF LOW-TEMPERATURE COOLANT CIRCUIT .
• Refer to FILLING THE LOW-TEMPERATURE COOLING SYSTEM WITH THE VACUUM FILLING EQUIPMENT .
• Refer to INSTALLING CLEAN AIR PIPE .
• Refer to INSTALLING RESONATOR .
• Refer to INSTALLING ACOUSTIC COVER .
• Refer to VENTING THE LOW-TEMPERATURE COOLING SYSTEM .
• 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 .