Removing the component carrier

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 DISCONNECTING ALL BATTERY GROUND LEADS .
Refer to REMOVING THE ACOUSTIC COVER .
Refer to REMOVING THE CLEAN AIR PIPE WITH THE RESONATOR .
Refer to REMOVING THE THROTTLE BODY .
Refer to REMOVING THE FRONT ACOUSTIC COVER FOR THE ENGINE .
Refer to RELEASING THE ELECTRIC AUXILIARY COOLANT PUMP FOR THE CHARGE AIR COOLER AND/OR AIR CONDITIONING CONDENSER .
Refer to REMOVING THE DRIVE BELT FOR ALTERNATOR .
Refer to REMOVING THE ALTERNATOR .
Refer to REMOVING THE FRONT UNDERBODY PROTECTION .
Refer to REMOVING THE UNDERBODY PROTECTION OF THE STEERING GEAR .
Refer to IF INSTALLED: REMOVE THE UNDERBODY PROTECTION OF THE STEERING SYSTEM .
Refer to DRAINING THE COOLANT FROM THE HIGH-TEMPERATURE COOLING SYSTEM .
Refer to CONNECTING THE COOLANT LINES FOR THE HIGH-TEMPERATURE COOLANT CIRCUIT .
Refer to REMOVING THE BRACKET FOR THE ELECTRIC COOLANT PUMP ON THE COMPONENT CARRIER .
Refer to REMOVING THE COOLANT LINE BETWEEN THE COOLANT PUMP AND CYLINDER HEAD .

Component carrier

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NOTE: TECHNICAL INFORMATION
Collect and dispose of emerging fluids. Observe country-specific waste disposal regulations.
Only loosen the air conditioning compressor, do not remove it.
Do not draw off the refrigerant.
Do not loosen the refrigerant lines.

Unlock plug connection (1) and disconnect.
Loosen screws (2) .
Slide the air conditioning compressor (3) out and set it aside.

Courtesy of BMW OF NORTH AMERICA, INC.
Loosen screw (1) .
Thread out holder (2) and set aside.

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Unlock and loosen coolant line (1) .
Unlock and loosen coolant line (2) .
Catch and dispose of leakage coolant.

Courtesy of BMW OF NORTH AMERICA, INC.

CAUTION: Heavy component .
Heavy components can lead to injury or damage .

Remove and install heavy components with the aid of another person/other persons.

Loosen screws (1) .

NOTE: Set the air conditioning compressor aside with a support person to slacken the screws on the component carrier more easily.

Feed out component carrier (2) and remove.
Catch and dispose of leakage coolant.

Courtesy of BMW OF NORTH AMERICA, INC.