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

WARNING: This page does not describe the selected car, but rather 21 other vehicles, including the 2017 BMW 550i GT xDrive, 2017 BMW 535i GT xDrive, 2017 BMW 535i GT, 2016 BMW 550i GT xDrive, and 2016 BMW 535i GT 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 the safety information for handling the R 134a refrigerant . See 64 50... NOTE FOR HANDLING R134A REFRIGERANT or 64 50... SAFETY INFORMATIONS FOR HANDLING REFRIGERANT OIL .
Avoid contact with refrigerant and refrigerant oil.
Observe the SAFETY INSTRUCTIONS FOR HANDLING THE 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 64 52... NOTES FOR CHANGING THE AIR CONDITIONING COMPRESSOR (AMOUNT OF REFRIGERANT OIL OF NEW AIR CONDITIONING COMPRESSOR NOT KNOWN) or 64 52... NOTES FOR CHANGING THE AIR CONDITIONING COMPRESSOR (AMOUNT OF REFRIGERANT OIL OF NEW AIR CONDITIONING COMPRESSOR KNOWN) .

Observe the INSTRUCTIONS FOR OPENING AND THE PART EXCHANGE IN THE REFRIGERANT CIRCUIT .

If Air conditioning is opened for more than 24 h:

Replace DESICCANT INSERT for air conditioning.

Necessary preliminary work

Unfasten screws (2).

Tightening torque 64 53 3AZ

Remove lines (3) from capacitor (1).

Fig 1: Identifying Capacitor, Screws And Lines

G06886345

Courtesy of BMW OF NORTH AMERICA, INC.

Cover cooling fins with aluminum sheet (2) or similar material.

NOTE: This prevents the cooling fins from being damaged when the compressor is removed later.

ARS expandable hose (1) is only tied up in the case of the equipment specification with Dynamic Drive.

Fig 2: Identifying ARS Expandable Hose And Aluminum Sheet

G06886346

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1).

Remove both retaining brackets of anti-roll bar (2).

Carefully lower anti-roll bar.

Tightening torque 31 35 1AZ .

Fig 3: Identifying Anti-Roll Bar Link With Screws

G06889610

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1).

Tightening torque 64 52 03AZ .

Fig 4: Identifying A/C System Compressor Screws

G06886348

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 screw (1).

Tightening torque 64 52 03AZ .

Disconnect plug connection (2).

Lower compressor (5).

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

Tightening torque 64 52 01AZ .

Installation note:

Replace sealing rings.

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

Fig 5: Identifying Compressor With Screws

G06886349

Courtesy of BMW OF NORTH AMERICA, INC.

Have another person pull the radiator forward.

Carefully feed out compressor upwards.

Replacement

Adjust the amount of refrigerant oil in the new compressor . See 64 52... NOTES FOR CHANGING THE AIR CONDITIONING COMPRESSOR (AMOUNT OF REFRIGERANT OIL OF NEW AIR CONDITIONING COMPRESSOR NOT KNOWN) or 64 52... NOTES FOR CHANGING THE AIR CONDITIONING COMPRESSOR (AMOUNT OF REFRIGERANT OIL OF NEW AIR CONDITIONING 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 safety information must be observed . See 64 52... NOTES FOR CHANGING THE AIR CONDITIONING COMPRESSOR (AMOUNT OF REFRIGERANT OIL OF NEW AIR CONDITIONING COMPRESSOR NOT KNOWN) or 64 52... NOTES FOR CHANGING THE AIR CONDITIONING COMPRESSOR (AMOUNT OF REFRIGERANT OIL OF NEW AIR CONDITIONING COMPRESSOR KNOWN) !

After installation:

EVACUATE AND FILL AIR CONDITIONING SYSTEM