Removing the heating and air-conditioning unit

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WARNING: Working on 12 V electrical system .
Risk of short circuits! Risk of fire!

Make sure that there is no charger connected to the jump start terminal in the engine compartment.
Detach battery ground lead from battery.
For auxiliary batteries: Detach battery minus cables from all auxiliary batteries.

NOTE: RISK OF DAMAGE
Careless handling of tools and sharp-edged components .
Scratches, surface damage .

Protect working area.
Handle tools and components carefully.

Preliminary work

Refer to SUCTIONING THE AIR CONDITIONING .
Refer to DISCONNECTING THE NEGATIVE BATTERY CABLE OF THE SYSTEM BATTERY .
Refer to REMOVING REAR HOOD SEAL .
Refer to REMOVING FRONT WINDSHIELD PANEL COVER .
Refer to REMOVING SUSPENSION CROSS-BRACE .
Refer to REMOVING THE UPPER FIREWALL COVER PANEL .
Refer to REMOVING THE INTAKE MANIFOLD FOR INTAKE SILENCER HOUSING .
Refer to REMOVING INTAKE SILENCER HOUSING .
Refer to REMOVING E-BOX .
Refer to REMOVING THE SYSTEM BATTERY PARTIALLY .
Refer to REMOVING EXPANSION VALVE .
Refer to ADJUSTING THE STEERING COLUMN POSITION .
Refer to REMOVING THE INSTRUMENT PANEL TRIM AT BOTTOM RIGHT .
Refer to REMOVING THE SIDE TRIM PANEL FOR THE LEFT AND RIGHT CENTER CONSOLE .
Refer to REMOVING GEARSHIFT LEVER COVER .
Refer to REMOVING THE DECORATIVE TRIM FROM THE CENTER CONSOLE .
Refer to REMOVING THE CENTER CONSOLE TRIM .
Refer to REMOVING THE FRONT STORAGE COMPARTMENT .
Refer to REMOVING THE REAR CENTER CONSOLE TRIM .
Refer to REMOVING CENTER CONSOLE FULLY WITH CENTER ARMREST .
Refer to REMOVING THE SIDE PANEL ON THE LEFT AND RIGHT OF THE INSTRUMENT PANEL .
Refer to REMOVING KNEE AIRBAG .
Refer to REMOVING RIGHT GLOVE COMPARTMENT .
Refer to REMOVING THE AUDIO OPERATING UNIT AND THE AIR CONDITIONING CONTROL PANEL .
Refer to REMOVING THE MID-RANGE SPEAKER FROM THE INSTRUMENT PANEL .
Refer to REMOVING THE HEAD UNIT HIGH (HU-H) .
Refer to REMOVING THE FINISHER ON THE RIGHT INSTRUMENT PANEL .
Refer to REMOVING DECORATIVE STRIP FROM INSTRUMENT PANEL .
Refer to REMOVING THE START-STOP BUTTON .
Refer to REMOVING THE LIGHT OPERATING UNIT .
Refer to REMOVING THE LEFT AND RIGHT A-PILLAR TRIM PANELS .
Refer to REMOVING FRONT DOOR SILL COVER STRIP .
Refer to REMOVING THE SIDE TRIM PANEL IN THE FOOTWELL AT THE A-PILLAR .
Refer to REMOVING FRONT RIGHT DOOR SILL COVER STRIP .
Refer to REMOVING THE SIDE TRIM PANEL IN THE FOOTWELL AT THE RIGHT-HAND A-PILLAR .
Refer to REMOVING AIRBAG UNIT OF THE STEERING WHEEL/SPORTS STEERING WHEEL .
Refer to REMOVING STEERING WHEEL/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 LEFT FOLD-DOWN COMPARTMENT .
Refer to REMOVING INSTRUMENT PANEL TRIM .
Refer to REMOVING THE SUPPORT FOR THE INSTRUMENT PANEL .

NOTE: TECHNICAL INFORMATION
Collect and dispose of emerging fluids. Observe country-specific waste disposal regulations.

NOTE: TECHNICAL INFORMATION
Do not unintentionally swap the coolant hoses and coolant lines. If necessary, mark before removal.

Mark the coolant hoses (2) before removal.
Loosen the hose clamps (1) with the special tool 0 495 794 (17 2 050) and detach the coolant hoses (2) .
Blow out the coolant pipes with an air gun with a little pressure to empty the heat exchanger.
Protect the carpet in the footwell from escaping coolant.
Remove the left and right air duct (1) .

Courtesy of BMW OF NORTH AMERICA, INC.

Courtesy of BMW OF NORTH AMERICA, INC.
Unlock plug connection (1) and disconnect.
Loosen the cable clip (2) .

Courtesy of BMW OF NORTH AMERICA, INC.
For equipment specifications with electric auxiliary heater Release the nut (1) and remove the ground cable (2) .

Courtesy of BMW OF NORTH AMERICA, INC.
Guide out and remove the heating and air-conditioning unit (1) .

Courtesy of BMW OF NORTH AMERICA, INC.