64 53 515 Replacing desiccant insert for air conditioning system

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

WARNING: Danger of injury!
Refrigerant circuit is under high pressure!
Follow safety instructions for handling R 134a (tetrafluorethane) refrigerant See 6450... SAFETY INSTRUCTIONS FOR HANDLING R134A REFRIGERANT or 6450... INSTRUCTIONS FOR HANDLING REFRIGERANT R 134A .
Avoid contact with refrigerant and refrigerant fluid.
Follow safety instructions for HANDLING REFRIGERANT FLUID .

IMPORTANT: Risk of damage!
Restart engine only when air conditioning system has been correctly filled.

NOTE:

Follow NOTES for opening and replacing parts in refrigerant circuit.

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

Follow INSTRUCTIONS ON REPLACING DESICCANT INSERT .

IMPORTANT: The desiccant insert can only be replaced in vehicles with production dates up to 12/08!
In vehicles after 12/08, the heating and air conditioning system capacitor must be replaced!

Necessary preliminary work:

DRAWING OFF, EVACUATING AND FILLING THE HEATING AND AIR CONDITIONING SYSTEM are not included in the time value given for this job item
Remove CAPACITOR

If necessary, pierce label over sealing cap (1).

Remove cap (1) from capacitor (2).

Installation note:

Tightening torque 64 53 12AZ See REFRIGERANT LINES AND EXPANSION VALVE or AIR CONDITIONING COMPRESSOR .

Fig 1: Identifying Capacitor And Sealing Cap

Courtesy of BMW OF NORTH AMERICA, INC.

Remove Seeger circlip ring (1) with suitable pliers.

Fig 2: Identifying Seeger Circlip Ring

Courtesy of BMW OF NORTH AMERICA, INC.

With assistance of a screwed-in screw (1), pull the desiccant insert (2) out of the capacitor (3).

Fig 3: Pulling Desiccant Insert From Capacitor

Courtesy of BMW OF NORTH AMERICA, INC.

After installation

Top up and bleed the cooling system and check for watertightness
EVACUATE AND FILL HEATING AND AIR CONDITIONING SYSTEM