64 52 523 Removing and installing/replacing A/C system compressor (N63)

WARNING: This page is about a different car, the 2013 BMW X5, 2012 BMW X5, and 2011 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

WARNING: Risk of injury!
Refrigerant circuit is under high pressure!
Avoid contact with refrigerant and refrigerant oil.
Read and comply with safety regulations:

Handling R 134a refrigerant . See 64 50... SAFETY INFORMATIONS FOR HANDLING TETRAFLUORETHANE REFRIGERANT R134A or 64 50... INSTRUCTIONS FOR HANDLING R 134A REFRIGERANT .
HANDLING REFRIGERANT OIL

IMPORTANT: Risk of damage!
Restart engine only when air conditioning system has been correctly filled.
READ AND COMPLY WITH NOTES ON REPLACING COMPRESSOR .
Follow INSTRUCTIONS for opening and replacing parts in refrigerant circuit.
If air conditioning system is opened for more than 24 hours:
REPLACE DESICCANT INSERT FOR A/C SYSTEM .

Necessary preliminary tasks:

DRAWING OFF, EVACUATING AND FILLING THE A/C SYSTEM are not included in the time value given for this work operation
Remove A/C COMPRESSOR DRIVE BELT
Remove TANK VENTING VALVE
Remove RIGHT FRONT WHEEL
Remove front underbody protection
Remove steering gear cover . See 51 71... REMOVING AND INSTALLING/REPLACING TOP RIGHT STEERING BOX COVER or 51 71... REMOVING AND INSTALLING/REPLACING BOTTOM LEFT OR RIGHT STEERING BOX COVER .

Illustration similar.

Release screw (1).

Tightening torque: 64 53 5AZ .

Remove intake pipe (2) from exhaust tailpipe holder (3).

Fig 1: Identifying Intake Pipe From Exhaust Tailpipe Holder

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Release screws (1).

Tightening torque: 64 53 3AZ .

Remove refrigerant line from condenser (2).

Installation:

Replace sealing rings.

Use special tool 00 9 030 to mount sealing rings without damaging them.

Fig 2: Removing Refrigerant Line From Condenser

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Release screw (1) on holder (2).

Take off holder (2).

Tightening torque: 17 22 03AZ .

Version with Dynamic Drive:

Release nuts (3) on holders for pressure lines (4).

Remove holders for pressure lines (4).

Tightening torque: 32 41 07AZ .

Fig 3: Identifying Nuts, Screw On Holders For Pressure Lines

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NOTE: For purposes of clarity, illustration shows bumper removed.

Unscrew nuts (1).

Tightening torque: 51 11 05AZ .

Pull module carrier and coolant radiator in direction of arrow to create sufficient space for subsequent compressor removal.

Fig 4: Pulling Module Carrier And Coolant Radiator

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IMPORTANT: Risk of damage!
Before later removing compressor, protect cooling fins by covering with an aluminum sheet, for example.

Release screws (1).

Tightening torque: 64 52 03AZ .

Fig 5: Identifying Compressor Screws

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IMPORTANT: Close openings or line to compressor with special tool 32 1 270 to avoid media leak and dirt contamination.

NOTE: Secure compressor (5) against falling out.

Disconnect plug connection (2).

Release screws (1).

Tightening torque: 64 52 03AZ .

Lower compressor (5).

Release screws (3) and (4) and remove refrigerant lines.

Tightening torque: 64 52 01AZ .

Fig 6: Identifying Compressor Screws

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Installation:

Replace sealing rings.

Use special tool 00 9 030 to mount sealing rings without damaging them.

Carefully feed out compressor (5) toward the front.

After installation:

EVACUATE AND FILL A/C SYSTEM