64 52 521 Removing and installing/replacing air conditioning compressor (N14, N16, N18)

Special tools required:

WARNING: Follow all applicable SAFETY INFORMATION .

IMPORTANT:

Risk of damage!

Restart engine only when A/C system has been correctly filled.

Read and comply with notes on COMPRESSOR REPLACEMENT .

If air conditioning system is opened for more than 24 hours, replace DESICCANT INSERT for A/C system.

Necessary preliminary tasks:

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

Replace sealing rings.

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

Release bolts (3) and feed out compressor.

Tightening torque 64 52 1AZ .

Fig 1: Identifying Plug Connection, Nuts, And Bolts

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

If the air conditioning has been opened for more than 24 hours, the DESICCANT INSERT must be replaced
EVACUATE and fill air conditioning system