Removing and installing/replacing air conditioning compressor (N63)

Special tools required:

00 9 030
32 1 270

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

Handling R 134a refrigerant
Handling refrigerant fluid

IMPORTANT: Risk of damage!
Restart engine only when air conditioning has been correctly filled.
Read and comply with notes on compressor replacement!
Follow notes for opening and replacing parts in refrigerant circuit.

If Air conditioning is opened for more than 24 h:

Replace desiccant insert for A/C system.

Necessary preliminary tasks:

Drawing off, evacuating and filling the air conditioning are not included in the time value given for this job item
Remove A/C compressor drive belt
Remove right front wheel
Remove front underbody protection
Remove steering gear cover
Remove radiator

Illustration similar .

Release screw (1).

Tightening torque 64 53 5AZ .

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

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1).

Tightening torque 64 53 3AZ .

Remove refrigerant line from condenser (2).

Installation note:

Replace sealing rings.

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

Courtesy of BMW OF NORTH AMERICA, INC.

Release screw (1).

Take off holder (2).

Lay lines (3) slightly to one side.

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1).

Tightening torque 64 52 03AZ .

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Seal openings or lines on compressor with special tool 32 1 270 to prevent escape of media and fouling.

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 04AZ .

Installation note:

Replace sealing rings.

Courtesy of BMW OF NORTH AMERICA, INC.

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

Carefully feed out compressor (5) toward the front.

Replacement:

Adjust the amount of refrigerant oil in the new compressor

IMPORTANT: Danger of compressor damage!
Danger of customer complaints due to reduced cooling power of the Air conditioning!
Before the installation of the new compressor, it is absolutely necessary to adjust the amount of refrigerant oil in the new compressor!
Compliance with safety information is mandatory!

After installation:

Evacuate and fill air conditioning
Fill and vent cooling system