64 52 524 Replacing air conditioning system compressor (N55, with Dynamic Drive)

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!
Avoid contact with refrigerant and refrigerant oil.
Read and comply with safety instructions:

Handling R 134a refrigerant . See 64 50... NOTE FOR HANDLING R134A REFRIGERANT or 64 50... SAFETY INFORMATIONS FOR HANDLING TETRAFLUORETHANE REFRIGERANT R134A .
HANDLING REFRIGERANT FLUID

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) .

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 SYSTEM .

Necessary preliminary work

DRAWING OFF, EVACUATING AND FILLING THE AIR CONDITIONING are not included in the time value given for this job item
Remove DRIVE BELT FOR ALTERNATOR
Remove INTAKE SILENCER HOUSING .
Remove left CHARGE-AIR DUCT
Remove CHARGE AIR COOLER

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

Unfasten plug connection (1) and disconnect.

Release screws (2) and remove refrigerant lines (3).

Tightening torque 64 52 1AZ .

Installation note:

Replace sealing rings.

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

Fig 1: Identifying Refrigerant Lines With Mounting Screws

G09881680

Courtesy of BMW OF NORTH AMERICA, INC.

Release screw (1) at holder for refrigerant lines (2) and pull out, including spacer sleeve.

Fig 2: Identifying Screw At Holder For Refrigerant Lines

G09881681

Courtesy of BMW OF NORTH AMERICA, INC.

Release screw (1).

Tightening torque 64 52 3AZ .

Fig 3: Identifying Air Conditioning System Compressor Screws

G09881682

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Shown with clearance for better clarity.

Release screw (1).

Tightening torque 64 52 3AZ .

Fig 4: Identifying Air Conditioning System Compressor Screws

G09881683

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 (2) against falling off/down.

Release screw (1).

Tightening torque 64 52 3AZ .

Lift out compressor (2).

Fig 5: Identifying Compressor With Mounting Screws

G09881684

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

Release screws (1).

Tightening torque 32 41 18AZ .

Remove holder for hydraulic line (2) on power steering pump (3).

Fig 6: Identifying Holder For Hydraulic Line On Power Steering Pump

G09881690

Courtesy of BMW OF NORTH AMERICA, INC.

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 A/C SYSTEM