64 52 520 Removing and installing/replacing complete A/C compressor

WARNING: This page is about a different variant/trim than selected.

Notes

WARNING: Risk of injury!

Avoid contact with refrigerant and refrigerant oil.

Follow safety instructions for HANDLING REFRIGERANT OIL .

Scalding hazard!

Work on the exhaust system may only be carried out when it has cooled down.

IMPORTANT: Risk of damage!

Restart engine only when air conditioning system has been correctly filled.

If air conditioning system is opened for more than 24 hours:

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 upper exhaust manifold heat shield.
Remove A/C COMPRESSOR DRIVE BELT (N12) or DRIVE BELT FOR ALTERNATOR (N14) .

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

IMPORTANT: Secure compressor against falling out.

Disconnect plug connection (1).

Release nuts (2) and disconnect refrigerant lines.

Tightening torque 64 52 2AZ .

Installation:

Replace sealing rings.

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

Release bolts (3) and feed out compressor.

Tightening torque 64 52 1AZ .

Fig 1: Identifying Compressor Plug Connection And Mounting Nuts

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

If the A/C system has been opened for more than 24 hours, the DESICCANT INSERT must be replaced
Evacuate and fill A/C SYSTEM