Installing the system battery

• Install system battery (1).
• Position the bracket and tighten it with the screw (4).
  TIGHTENING TORQUE SPECIFICATIONS
  
  

  Battery terminal rail to battery tray
  M8	Tightening torque	19 Nm

  Courtesy of BMW OF NORTH AMERICA, INC.

• Position vent hose (2) and clip in.
• Position positive battery terminal and tighten it with the nut (3).
  TIGHTENING TORQUE SPECIFICATIONS
  
  

  Battery terminal clamp with IBS positive battery terminal/negative battery terminal
  Nut M6	Tightening torque	5 Nm

  Check the vent holes of the battery 

  WARNING: Exhaust  .
  Injury hazard! Danger of explosion! 

  • Assign the vent holes correctly.
  • Route the vent hose correctly.
  NOTE: TECHNICAL INFORMATION 
  The battery has two ventilation openings positioned opposite to each other:
  One ventilation opening (1) must be closed correctly with a dummy plug.
  The vent hose (3) must be correctly connected and routed at the other ventilation opening (2).

  Courtesy of BMW OF NORTH AMERICA, INC.

  Check 

• Check if the ventilation opening (1) is correctly closed with a dummy plug.

  Result 

  » No dummy plug.

  Measure

  • Close the vent hole (1) correctly with a dummy plug.

  Check 

  • Check whether the vent hose (3) is correctly connected to the ventilation opening (2).

  Result 

  » The vent hose (3) is not correctly connected.

  Measure

  • Connect the vent hose (3) correctly to the ventilation opening (2).

  Check 

  • Check if the vent hose (3) is laid with a slope towards the outside (no siphon formation  ).

  Result 

  » The vent hose (3) is not routed correctly as shown on the right side.

  Measure

  • Route the vent hose (3) correctly as shown in the center.
• Feed in tension strut (3) and tighten with screws (1).
  TIGHTENING TORQUE SPECIFICATIONS
  
  

  Trailing link
  M8	tightening torque	19 Nm

  Courtesy of BMW OF NORTH AMERICA, INC.

• Tighten down screw (2).
  TIGHTENING TORQUE SPECIFICATIONS
  
  

  Battery cover
  M8	Tightening torque	2.8 Nm

• Position the cover (2).
• Tighten down screw (1).
  TIGHTENING TORQUE SPECIFICATIONS
  
  

  Battery cover
  M8	Tightening torque	2.8 Nm

  Courtesy of BMW OF NORTH AMERICA, INC.

• Position fixture for the seal (3) and secure with the expanding rivet (2).
• Tighten down screw (1).
  TIGHTENING TORQUE SPECIFICATIONS
  
  

  Battery cover
  M8	Tightening torque	2.8 Nm

  Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work 

• Refer to INSTALLING INTAKE SILENCER HOUSING .
• Refer to INSTALLING THE INTAKE MANIFOLD FOR THE INTAKE FILTER HOUSING .
• Refer to INSTALLING THE STRUT BRACE .
• Refer to CONNECTING BATTERY GROUND LEAD .
• Refer to INSTALLING FRONT WINDSHIELD PANEL COVER .
• Refer to INSTALLING THE REAR HOOD SEAL .