Install the heat exchanger

• Correctly position the heat exchanger (1).

  Courtesy of BMW OF NORTH AMERICA, INC.

• Correctly position the housing (2) and engage it in the detents (1).

  Courtesy of BMW OF NORTH AMERICA, INC.

• Make sure that the detent (1) engages correctly.

  Courtesy of BMW OF NORTH AMERICA, INC.

• Make sure the detent (1) is correctly engaged on the heating and air-conditioning unit (2).

  Courtesy of BMW OF NORTH AMERICA, INC.

• Correctly position the evaporator temperature sensor (2) in the heating and air-conditioning unit (3).
• Connect plug (1).

  Courtesy of BMW OF NORTH AMERICA, INC.

• Route the wiring harness (2) correctly.
• Connect plug (1).

  Courtesy of BMW OF NORTH AMERICA, INC.

• Tighten the screws (1).
  TIGHTENING TORQUES SPECIFICATION
  
  

  Heater/air conditioner
  Screw	Tightening torque	1.2 Nm

  Courtesy of BMW OF NORTH AMERICA, INC.

• Properly position the air distributor (2) and engage in the detents (1).

  Courtesy of BMW OF NORTH AMERICA, INC.

• Secure the clamps (arrows).
• Properly position the foam material (2) and secure with the holders (1).

  Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work 

• Install the heating and AIR-CONDITIONING UNIT .
• Install the THRUST FIELD .
• Install front STIFFENING PLATE .
• Install rear UNDERBODY PROTECTION .
• Install EXPANSION VALVE .
• Install dashboard the SUPPORT .
• Connect the expansion valve REFRIGERANT LINE
• Attach the intake pipe BRACKET .
• Install left front-end strut left intake FILTER HOUSING .
• Install coolant EXPANSION TANK .
• Install the bracket for cylinders 5 to 8 CONTROL UNIT .
• Install top clean AIR PIPE .
• Install the left DME control unit COVER .
• Install acoustic COVER .
• Install instrument PANEL TRIM .
• Install the INSTRUMENT CLUSTER (KOMBI).
• Install the steering column SWITCH CLUSTER (SZL).
• Install steering lower section column SHROUD .
• Fit steering upper section column SHROUD .
• Install STEERING WHEEL .
• Install STEERING WHEEL .
• Install the steering wheel or sports steering wheel AIRBAG UNIT .
• Install the M sports steering wheel AIRBAG UNIT .
• Install the left fold-out COMPARTMENT .
• Install the CENTRAL INFORMATION DISPLAY (CID).
• Install the left dashboard DECORATIVE STRIP .
• Install the light OPERATING UNIT .
• Install the left dashboard SIDE PANEL .
• Install 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 dashboard MID-RANGE SPEAKERS .
• Install the dashboard SPEAKER TRIM .
• Install the HEADUNIT HIGH (HU-H).
• Install radio operating unit and air conditioning CONTROL PANEL .
• Install the right dashboard DECORATIVE STRIP .
• Install the right dashboard SIDE PANEL .
• Install the CENTER CONSOLE .
• Install the right footwell TRIM PANEL .
• Install the pedal assembly 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 system with 4-zone control).
• Install the rear passenger compartment air conditioning CONTROL PANEL (integrated automatic climate control with 4-zone control).
• Reconnect all battery GROUND LEADS .
• EVACUATE AND CHARGE conditioning.
• FILL AND VENT the coolant circuit.