Installing the heating and air-conditioning unit

• Coat the condensate drain (2) with lubricant before installing the heating and air-conditioning unit (1).

  Assembly aids 

  Lubricants G14

  900ml, Can

  83232360412

  Courtesy of BMW OF NORTH AMERICA, INC.

• Insert the heating and air-conditioning unit (1).
• Ensure that the heating and air-conditioning unit (1) is positioned exactly on the condensate drain (2).
• Perform a visual inspection after installing the heating and air-conditioning unit (1).
• For equipment specifications with electric auxiliary heater:  Correctly position the ground cable (2) and tighten the nut (1).
  TIGHTENING TORQUES SPECIFICATION
  
  

  Ground cable to ground support point
  Nut	Tightening torque	8 Nm

• Position and connect the connector (1) on the blower (2).

  Courtesy of BMW OF NORTH AMERICA, INC.

  NOTE: Perform the operations on the left and right side.
• Push the air duct (2) upwards until the latch mechanisms (1) engage properly.

  Courtesy of BMW OF NORTH AMERICA, INC.

  Courtesy of BMW OF NORTH AMERICA, INC.

• Correctly position the cable channel (2) and clip into the latch mechanism (1).

  Courtesy of BMW OF NORTH AMERICA, INC.

• Feed in sealing flange (4) and position it correctly on the bulkhead (5).
• Tighten the bolts in the following sequence:  (1), (2) and (3).
  TIGHTENING TORQUES SPECIFICATION
  
  

  Heating and air-conditioning unit on the bulkhead
  Oval-head screw	Tightening torque	2.8 Nm

  Fig 1: Heating and air-conditioning unit on the bulkhead screw Tightening Sequence

  Courtesy of BMW OF NORTH AMERICA, INC.
• Correctly push on the coolant hoses and secure the hose clamps (1) using special tool 0495 794 (17 2 050)  .

  Courtesy of BMW OF NORTH AMERICA, INC.

• Remove disconnection tools.

  Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up Work 

• Install the instrument panel SUPPORT .
• Connect the expansion valve REFRIGERANT LINE .
• Install instrument PANEL TRIM .
• Install the instrument CLUSTER (KOMBI).
• Install the steering column SWITCH CLUSTER (SZL).
• Install lower section steering column SHROUD .
• Fit upper section steering column SHROUD .
• Install the STEERING WHEEL .
• Install the steering wheel or sports steering wheel AIRBAG UNIT .
• Install the M sports steering wheel AIRBAG UNIT .
• Install the left fold-down COMPARTMENT .
• Install the CENTRAL INFORMATION DISPLAY (CID).
• Install the left instrument PANEL FINISHER .
• Install the light OPERATING UNIT .
• Install the left instrument panel SIDE PANEL .
• Install the left and right A-PILLAR TRIM PANEL .
• Install right a-pillar footwell side TRIM PANEL .
• Install the left a-pillar footwell side TRIM PANEL .
• Install both inner front door sill COVER STRIPS .
• Install the instrument panel MID-RANGE SPEAKERS .
• Install the instrument panel SPEAKER TRIM .
• Install the HEAD UNIT HIGH (HU-H).
• Install radio operating unit and air conditioning CONTROL PANEL .
• Install right instrument panel THE FINISHER .
• Install the right instrument panel SIDE PANEL .
• Install the center CONSOLE .
• Install the right footwell TRIM PANEL .
• Install the pedal mechanism TRIM PANEL .
• Install the CUP HOLDER .
• Install the center console TRIM .
• Install front storage compartment TRIM .
• Install the center ARMREST .
• Install the center armrest STORAGE COMPARTMENT .
• Install the rear center console TRIM .
• Install the rear VENTILATION GRILLE .
• Install the rear VENTILATION GRILLE (air conditioning with 4-zone control).
• Install the rear passenger compartment air conditioning CONTROL PANEL (integrated automatic heating/air conditioning system with 4-zone control).
• Connect all battery EARTH LEADS .
• Activate the 48 v ELECTRICAL SYSTEM .
• EVACUATE AND FILL air conditioning.
• FILL AND BLEED the coolant circuit.