Remove the heat exchanger

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2023 BMW M5, 2022 BMW M5, 2021 BMW M5, 2020 BMW M5, and 2019 BMW M5. However, it is still accessible from the selected car via links, so may be relevant.

WARNING: Hot fluids.
Risk of scalding!

Conduct all work in the vehicle wearing appropriate personal protective equipment only.

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: HANDLING REFRIGERANT and NOTES ON AIR CONDITIONING REPAIR WORK .

NOTE: TECHNICAL INFORMATION
Driving without the strut brace/front-end strut or tension strut is not permitted.

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

Preliminary work

Refer to SUCTIONING THE AIR CONDITIONING .
Refer to DISCONNECTING ALL BATTERY GROUND LEADS .
Refer to REMOVING THE ACOUSTIC COVER .
Refer to REMOVING THE COVER PANEL OF THE SLAVE DME CONTROL DEVICE .
Refer to REMOVING HOLDER OF DME CONTROL UNIT FOR CYLINDERS 5 TO 8 .
Refer to REMOVING COOLANT EXPANSION TANK .
Refer to REMOVING THE COVER OF THE ENGINE COMPARTMENT AT THE REAR LEFT .
Removing the cover of the rear right engine compartment.

Courtesy of BMW OF NORTH AMERICA, INC.
- Loosen the lock (1)
- Remove the cover (2).
Covering the vehicle battery
WARNING:
Unprotected battery terminals. Risk of short circuits! Risk of fire!
- Cover the vehicle battery
Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: The following step(s) must be performed if the listed component(s) is/are installed.
- Cover the vehicle battery with the special tool 2 452 007 as shown.
Refer to REMOVING LEFT AND RIGHT WIPER ARM .
Refer to REMOVING THE COWL COVER .
Refer to REMOVING TRAILING LINK AT SPRING BOLT .
Refer to REMOVING THE COWL UPPER PART IN THE CENTER .
Refer to REMOVING THE COVER IN THE ENGINE COMPARTMENT ON THE LEFT .
Refer to RELEASING LEFT FRONT-END STRUT .
Refer to REMOVING LEFT INTAKE SILENCER HOUSING .
Refer to DISCONNECTING THE REFRIGERANT LINE FROM THE EXPANSION VALVE .
Refer to REMOVING EXPANSION VALVE .
Refer to REMOVING THE CONTROL PANEL OF THE REAR PASSENGER COMPARTMENT AIR CONDITIONING (INTEGRATED AUTOMATIC CLIMATE CONTROL WITH 4-ZONE CONTROL) .
Refer to REMOVING THE REAR VENTILATION GRILLE .
Refer to REMOVING THE VENTILATION GRILLE IN THE REAR (AIR CONDITIONING SYSTEM WITH 4-ZONE CONTROL) .
Refer to REMOVING THE REAR CENTER CONSOLE TRIM .
Refer to REMOVING THE CENTER ARMREST STORAGE COMPARTMENT .
Refer to REMOVING THE CENTER ARMREST .
Refer to REMOVING THE FRONT STORAGE COMPARTMENT TRIM .
Refer to REMOVING THE CENTER CONSOLE TRIM .
Refer to REMOVING CUPHOLDER .
Refer to REMOVING THE TRIM PANEL FOR PEDAL ASSEMBLY .
Refer to REMOVING FOOTWELL TRIM PANEL ON THE RIGHT .
Refer to REMOVING THE CENTER CONSOLE .
Refer to REMOVING THE SIDE PANEL ON THE RIGHT DASHBOARD .
Refer to REMOVING THE DECORATIVE STRIP ON THE RIGHT DASHBOARD .
Refer to REMOVING THE RADIO OPERATING UNIT AND THE AIR CONDITIONING CONTROL PANEL .
Refer to REMOVING HEADUNIT HIGH (HU-H) .
Refer to REMOVING THE SPEAKER TRIM AT THE DASHBOARD .
Refer to REMOVING THE MID-RANGE SPEAKER FROM THE DASHBOARD .
Refer to REMOVING BOTH INNER FRONT DOOR SILL COVER STRIPS .
Refer to REMOVING THE SIDE TRIM PANEL IN THE FOOTWELL AT THE LEFT A-PILLAR .
Refer to REMOVING THE SIDE TRIM PANEL IN THE FOOTWELL AT THE RIGHT-HAND A-PILLAR .
Refer to REMOVING A-PILLAR TRIM PANEL ON THE LEFT AND RIGHT .
Refer to REMOVING THE SIDE PANEL ON THE LEFT DASHBOARD .
Refer to REMOVING THE LIGHT OPERATING UNIT .
Refer to REMOVING THE DECORATIVE STRIP ON THE DASHBOARD ON THE LEFT .
Refer to REMOVING CENTRAL INFORMATION DISPLAY (CID) .
Refer to REMOVING LEFT FOLD-OUT COMPARTMENT .
Refer to REMOVING AIRBAG UNIT .
Refer to REMOVING AIRBAG UNIT OF THE M SPORTS STEERING WHEEL .
Refer to REMOVING STEERING WHEEL .
Refer to REMOVING STEERING WHEEL .
Refer to REMOVING STEERING COLUMN SHROUD UPPER SECTION .
Refer to REMOVING LOWERING PART OF STEERING COLUMN SHROUD .
Refer to REMOVING THE STEERING COLUMN SWITCH CLUSTER (SZL) .
Refer to REMOVING THE INSTRUMENT CLUSTER (KOMBI) .
Refer to REMOVING INSTRUMENT PANEL TRIM .
Refer to REMOVING THE SUPPORT FOR THE DASHBOARD .
Refer to REMOVING THE HEATING AND AIR-CONDITIONING UNIT .

Loosen the holder (1) .
Remove the foam material (2) .
Release the clamps (arrows).

Courtesy of BMW OF NORTH AMERICA, INC.
Unlock the detents (1) .
Remove the air distributor (2) .

Courtesy of BMW OF NORTH AMERICA, INC.
Loosen screws (1) .

Courtesy of BMW OF NORTH AMERICA, INC.
Unlock and disconnect plug connections (1) .
Remove the wiring harness (2) .

Courtesy of BMW OF NORTH AMERICA, INC.
Disconnect plug connection (1) .
Pull out the evaporator temperature sensor (2) from the heating and air-conditioning unit (3) .

Courtesy of BMW OF NORTH AMERICA, INC.
Loosen the detents (1) .

Courtesy of BMW OF NORTH AMERICA, INC.
Release detent (1) .

Courtesy of BMW OF NORTH AMERICA, INC.
Unlock detent (1) and remove housing from heating and air-conditioning unit (2) .

Courtesy of BMW OF NORTH AMERICA, INC.
Remove heat exchanger for heating system (1) .

Courtesy of BMW OF NORTH AMERICA, INC.