Removing the heating and air-conditioning unit

CAUTION: Refrigerant circuit under high pressure.
Injury hazard!

Note and follow safety instructions on containers.
Avoid contact with refrigerant; wear safety goggles and hand protection.
For additional information see: INSTRUCTIONS FOR HANDLING R1234YF REFRIGERANT , or SAFETY INSTRUCTIONS FOR HANDLING TETRAFLUORETHANE REFRIGERANT R134A , and NOTES FOR REPAIR WORK ON AIR CONDITIONING .

Preliminary work

Refer to SUCTIONING THE AIR CONDITIONING .
Refer to REMOVING THE ACOUSTIC COVER .
Refer to REMOVING THE SEAL FOR THE HOOD REAR .
Refer to REMOVING THE COVER OF THE ENGINE COMPARTMENT AT THE REAR LEFT .
Refer to REMOVING THE COVER OF THE REAR RIGHT ENGINE COMPARTMENT .
Refer to REMOVING LEFT AND RIGHT WIPER ARM .
Refer to REMOVING WINDSHIELD PANEL COVER .
Refer to REMOVING THE CENTER COWL UPPER PART .
Refer to REMOVING THE CENTER FIREWALL LOWERING PART .
Refer to RELEASING THE CONTROL UNIT HOLDER .
Refer to DISCONNECTING REFRIGERANT LINE ON THE CONNECTING PIECE .
Refer to RELEASING THE COOLANT EXPANSION TANK OF HIGH-TEMPERATURE COOLANT CIRCUIT .
Refer to REMOVING THE REFRIGERANT LINE FROM THE AIR CONDITIONING CONDENSER .
Refer to DISCONNECTING THE REFRIGERANT LINE FROM THE EXPANSION VALVE .
Refer to REMOVING EXPANSION VALVE .
Refer to ADJUSTING THE STEERING COLUMN POSITION .
Refer to REMOVING THE TRIM FOR THE HEAD-UP DISPLAY .
Refer to REMOVING CUP HOLDER .
Refer to REMOVING THE CENTER ARMREST STORAGE COMPARTMENT TRIM .
Refer to REMOVING THE CENTER CONSOLE TRIM .
Refer to REMOVING THE DECORATIVE TRIM ON THE CENTER CONSOLE ON THE LEFT AND RIGHT .
Refer to REMOVING THE WIRELESS CHARGING STORAGE .
Refer to REMOVING THE OPERATING FACILITY IN THE CENTER CONSOLE .
Refer to REMOVING THE STORAGE COMPARTMENT IN THE FRONT CENTER CONSOLE .
Refer to REMOVING THE REAR CENTER CONSOLE TRIM .
Refer to REMOVING THE CENTER CONSOLE .
Refer to REMOVING THE SIDE PANEL ON THE LEFT DASHBOARD .
Refer to REMOVING THE SIDE PANEL ON THE RIGHT DASHBOARD .
Refer to REMOVING A-PILLAR TRIM PANEL, LEFT AND RIGHT .
Refer to REMOVING THE TRIM PANEL FOR PEDAL ASSEMBLY .
Refer to REMOVING LEFT FOLD-OUT COMPARTMENT .
Refer to REMOVING THE DECORATIVE STRIP ON THE DASHBOARD ON THE LEFT .
Refer to REMOVING RIGHT FOOTWELL TRIM .
Refer to REMOVING THE DECORATIVE STRIP ON THE RIGHT DASHBOARD .
Refer to REMOVING CENTRAL INFORMATION DISPLAY (CID) .
Refer to REMOVING AIRBAG UNIT .
Refer to REMOVING AIRBAG UNIT (M SPORT STEERING WHEEL) .
Refer to REMOVING THE SPORTS STEERING WHEEL .
Refer to REMOVING STEERING COLUMN SHROUD UPPER SECTION .
Refer to REMOVING STEERING COLUMN SHROUD LOWER SECTION .
Refer to REMOVING THE STEERING COLUMN SWITCH CLUSTER (SZL) .
Refer to REMOVING THE INSTRUMENT CLUSTER (KOMBI) .
Refer to REMOVING THE AUDIO CONTROL UNIT .
Refer to REMOVING THE SPEAKER TRIM AT THE DASHBOARD .
Refer to REMOVING THE SPEAKER HOLDER ON THE DASHBOARD .
Refer to REMOVING THE DASHBOARD TRIM .
Refer to REMOVING THE SIDE TRIM PANEL IN THE FOOTWELL AT THE RIGHT-HAND A-PILLAR .
Refer to REMOVING LEFT AIR DUCT .
Refer to REMOVING THE HEAD-UP DISPLAY .
Refer to REMOVING THE SUPPORT FOR THE DASHBOARD .

Use commercially available disconnection tools to pinch off the coolant lines.

Courtesy of BMW OF NORTH AMERICA, INC.
Release the hose clamps (1) with the special tool 0 495 794 (17 2 050) and remove the coolant hoses .
Blow out the coolant pipes with an air gun with a little pressure to empty the heat exchanger.

Courtesy of BMW OF NORTH AMERICA, INC.

Release the screws (1) from the flange (2) .
Protect the carpet in the footwell from escaping coolant.

Courtesy of BMW OF NORTH AMERICA, INC.
Unfasten plug connection.
Remove the heating and air-conditioning unit (1) .

Courtesy of BMW OF NORTH AMERICA, INC.