64 52 523 Removing and installing/replacing A/C system compressor (S63)

WARNING: This page does not describe the selected car, but rather 50 other vehicles, including the 2016 BMW M5, 2016 BMW ActiveHybrid 5, 2016 BMW 550i xDrive, 2016 BMW 550i, and 2016 BMW 535i xDrive. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

WARNING: Danger of injury!
Refrigerant circuit is under high pressure!
Observe SAFETY INFORMATION for handling refrigerant and refrigerant oil.

IMPORTANT: Risk of damage!
Restart engine only when A/C system has been correctly filled.
Read and comply with notes on compressor replacement. See NOTES (AMOUNT OF REFRIGERANT OIL OF NEW COMPRESSOR NOT KNOWN) -or- NOTES (AMOUNT OF REFRIGERANT OIL OF NEW COMPRESSOR KNOWN) .

Follow notes for OPENING AND REPLACING PARTS in refrigerant circuit.

If Air conditioning is opened for more than 24 h:

Replace DESICCANT INSERT for air conditioning.

Necessary preliminary work:

DRAIN OFF AIR CONDITIONING SYSTEM
Remove A/C COMPRESSOR DRIVE BELT
Release HYDRAULIC STEERING GEAR from front axle support and steering shaft
Remove RIGHT INTAKE SILENCER HOUSING

Release screw (1).

Tightening torque 64 53 7AZ .

Take refrigerant line (3) off connecting piece (2).

NOTE: Refrigerant line (3) is fed out together with the air conditioning compressor.

Fig 1: Identifying Refrigerant Line, Connecting Piece And Screw

Courtesy of BMW OF NORTH AMERICA, INC.

Release screw (1).

Tightening torque 64 53 3AZ .

Take the refrigerant line (2) of the condenser.

NOTE: Position refrigerant line (2) in direction of arrow.

This work step makes swivelling the compressor to remove the refrigerant lines easier.

Fig 2: Identifying Refrigerant Line And Screw

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1).

Tightening torque 64 53 3AZ .

Fig 3: Identifying Screws

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 dirt contamination.

NOTE: Secure compressor (5) against falling out.

Release screws (1).

Tightening torque 64 53 3AZ .

Disconnect plug connection (2).

Lower compressor (5).

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

Tightening torque 64 52 1AZ .

Installation note:

Replace sealing rings.

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

Fig 4: Identifying Plug Connection, Compressor And Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Carefully feed out compressor to the bottom.

Replacement:

Adjust the amount of refrigerant oil in the new compressor. See NOTES (AMOUNT OF REFRIGERANT OIL OF NEW COMPRESSOR NOT KNOWN) -or- NOTES (AMOUNT OF REFRIGERANT OIL OF NEW COMPRESSOR KNOWN) .

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!
The notes on refrigerant oil must be observed! See NOTES (AMOUNT OF REFRIGERANT OIL OF NEW COMPRESSOR NOT KNOWN) -or- NOTES (AMOUNT OF REFRIGERANT OIL OF NEW COMPRESSOR KNOWN) .

After installation:

EVACUATE AND FILL AIR CONDITIONING SYSTEM