Remove heat exchanger
WARNING: This page is about a different car, the 2025 BMW M4, 2024 BMW M4, 2023 BMW M4, 2022 BMW M4, and 2021 BMW M4. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
Refrigerant circuit under high pressure.
Injury hazard!
Injury hazard!
- Note and follow safety instructions on containers.
- Avoid contact with refrigerant; wear safety goggles and hand protection.
- For additional information see: SAFETY INSTRUCTIONS FOR HANDLING REFRIGERANT and NOTES FOR REPAIR WORK ON AIR CONDITIONING .
Premium repair instructions
Preliminary work
- Refer to ENTERING THE INSTALLATION POSITION OF THE DAMPER MOTOR .
- Refer to SUCTIONING THE AIR CONDITIONING .
- 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 (M SPORT STEERING WHEEL) .
- Refer to REMOVING THE STEERING WHEEL/M SPORT 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 TRIM PANEL FOR THE DASHBOARD .
- Refer to REMOVING DOOR SILL COVER STRIP, INTERIOR RIGHT .
- Refer to REMOVING THE SIDE TRIM PANEL IN THE FOOTWELL AT THE RIGHT-HAND A-PILLAR .
- Refer to REMOVING KNEE AIRBAG .
- Refer to REMOVING LEFT AIR DUCT .
- Refer to REMOVING THE HEAD-UP DISPLAY .
- 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 BULKHEAD LOWER PART .
- Refer to REMOVING SUSPENSION STRUT BRACE .
- Refer to RELEASING THE CONTROL UNIT HOLDER .
- Refer to DISCONNECTING REFRIGERANT LINE ON THE CONNECTING PIECE .
- Refer to OPENING THE PRESSURE LINE HOLDER .
- 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 REMOVING THE SUPPORT FOR THE DASHBOARD .
- Refer to REMOVING THE HEATING AND AIR-CONDITIONING UNIT .
- Refer to REMOVING THE COOLANT PIPE BELOW .
- Refer to REMOVING FRONT LEFT MIXED AIR FLAP MOTOR (M23A) .
- Refer to REMOVING REAR BLENDER FLAP MOTOR (M23B) .
- Refer to REMOVING THE KINEMATICS AT THE BOTTOM LEFT .
- Refer to REMOVING TOP COOLANT PIPE .
- Loosen screws (1) .
- Remove heat exchanger (2) .