Removing the component carrier

Preliminary work 

• Refer to BRING FRONT COMPARTMENT LID IN THE SERVICE POSITION .
• Refer to SUCTION THE AIR CONDITIONING .
• Refer to DEACTIVATING THE 48 V ELECTRICAL SYSTEM .
• Refer to DISCONNECTING ALL BATTERY GROUND LEADS .
• Refer to REMOVING THE ACOUSTIC COVER .
• Refer to REMOVING THE SEAL FOR THE HOOD REAR .
• Refer to REMOVING ACOUSTIC COVER AT REAR .
• Refer to REMOVING THE COVER ON LEFT AND RIGHT IN THE ENGINE COMPARTMENT AT THE TOP .
• Refer to REMOVING BOTH FRONT-END STRUTS .
• Refer to REMOVING FRONT CROSS CONNECTION .
• Refer to REMOVING THE REAR TOP CROSS CONNECTION .
• Refer to REMOVING THE FAN COWL .
• Refer to REMOVING THE INTAKE FILTER HOUSING (TENSION STRUT ON SHOCK TOWER REMOVED) .
• Refer to REMOVING TOP CLEAN AIR PIPE .
• Refer to REMOVING BOTTOM CLEAN AIR PIPE .
• Refer to REMOVING CHARGE AIR LINE .
• Refer to REMOVING THE DRIVE BELT FOR THE STARTER MOTOR GENERATOR .
• Refer to REMOVING THE DME CONTROL UNIT .
• Refer to REMOVING THE INTEGRATED SUPPLY MODULE (PDM) PARTIALLY .
• Refer to REMOVING THE CONTROL UNIT HOLDER
• Refer to REMOVING THE FRONT UNDERBODY PROTECTION OR FRONT THRUST FIELD .
• Refer to REMOVING THE UNDERBODY PROTECTION OF THE STEERING GEAR AND THRUST FIELD RESPECTIVELY .
• Refer to DRAINING THE COOLANT FROM THE HIGH-TEMPERATURE COOLING SYSTEM .
• Refer to DRAINING THE COOLANT FROM THE LOW-TEMPERATURE COOLING SYSTEM .
• Refer to CONNECTING THE COOLANT LINES FOR THE HIGH-TEMPERATURE COOLANT CIRCUIT .
• Refer to CONNECTING THE COOLANT LINES FOR THE LOW-TEMPERATURE COOLANT CIRCUIT .
• Refer to REMOVING TANK VENT VALVE .
• Refer to REMOVING THE INTAKE PLENUM .
• Refer to REMOVING THE STARTER MOTOR GENERATOR .
• Refer to REMOVING THE COOLANT LINE BETWEEN THE COOLANT PUMP AND CYLINDER HEAD .

Component carrier 

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Prerequisite 

Heating and air conditioning system has been drawn off.

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• Unlock plug connection (1) and disconnect.
• Loosen screws (2).
• Feed out the refrigerant lines (3) and set them aside.
• Seal the refrigerant lines (1) using commercially available seal plug.

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• Loosen screws (1).
• Feed out and remove the air conditioning compressor (2).

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• Seal the openings (1) on the air conditioning compressor (2) with commercially-available seal plug.

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• Unlock and loosen coolant line (1).
• Catch and dispose of escaping coolant.

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• Loosen screws (1).
• Feed out the engine holder (2) and transmission oil line and put to one side.

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• Loosen screws (1).

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• Loosen screws (1).

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• Feed out function carrier (1) from the connecting pipe (2) and remove.
• Catch and dispose of escaping coolant.

Courtesy of BMW OF NORTH AMERICA, INC.