Removing the component carrier

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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
Damage to battery terminal, the safety battery terminal or the intelligent battery sensor (IBS) .
Damaged battery terminals can lead to malfunctions or vehicle electrical system faults .

Detach battery terminal from battery pole by carefully shifting to and fro. Do not pry off using a tool.

Preliminary work

Refer to BRINGING FRONT COMPARTMENT LID IN THE SERVICE POSITION .
Refer to SUCTIONING 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 ACOUSTIC COVER AT REAR .
Refer to REMOVING THE TOP RIGHT AND LEFT COVER IN THE ENGINE COMPARTMENT .
Refer to REMOVING UPPER CROSS CONNECTION .
Refer to REMOVING THE TENSION STRUT AT THE SHOCK TOWER ON THE LEFT AND RIGHT .
Refer to REMOVING THE REAR TOP CROSS CONNECTION .
Refer to REMOVING THE INTAKE FILTER HOUSING (TENSION STRUT ON SHOCK TOWER REMOVED) .
Refer to REMOVING CLEAN AIR PIPE AND RESONATOR .
Refer to REMOVING THE FRONT UNDERBODY PROTECTION .
Refer to REMOVING THE STIFFENING PLATE .
Refer to REMOVING THE FRONT RIGHT LOWER WHEEL ARCH COVER .
Refer to REMOVING THE COVER OF THE STEERING ASSEMBLY .
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 LINE TO THE HIGH-TEMPERATURE COOLANT RADIATOR .
Refer to CONNECTING THE COOLANT LINE TO THE AUXILIARY COOLANT PUMP .
Refer to REMOVING FAN COWL .
Refer to REMOVING CHARGE AIR LINE .
Refer to REMOVING THE DRIVE BELT FOR THE STARTER MOTOR GENERATOR .
Refer to REMOVING LOW-TEMPERATURE COOLANT EXPANSION TANK .
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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Precondition

Heating and air conditioning system has been drawn off.

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

CAUTION: Residual pressure in the heating and air conditioning system .
Injury hazard!

Wear safety goggles and protective gloves when disconnecting the refrigerant line.
Close the refrigerant lines with seal plugs.

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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.