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Home >> BMW >> 2016 >> Z4 sDrive35is >> Repair and Diagnosis >> External Pages >> Different car >> Section 742 (Heating And Air Conditioning - Repair) >> Condenser And Dryer With Lines >> 64 53 517 Replacing desiccant insert for air conditioning system

64 53 517 Replacing desiccant insert for air conditioning system

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WARNING: Danger of injury!
Refrigerant circuit is under high pressure!
Follow safety precautions when handling refrigerant. See safety instructions for HANDLING R 134A REFRIGERANT , HANDLING TETRAFLUORETHANE REFRIGERANT R134A , and HANDLING REFRIGERANT OIL .
Avoid contact with refrigerant and refrigerant oil.
IMPORTANT: Risk of damage!
Restart engine only when A/C system has been correctly filled.
Follow INSTRUCTIONS  for opening and replacing parts in refrigerant circuit.
If air conditioning system is opened for more than 24 hours: replace desiccant insert for air conditioning system 

Follow INSTRUCTIONS ON REPLACING DESICCANT INSERT .

Necessary preliminary tasks: 

NOTE: Pictured in removed state.

The condenser does not  need to be removed for the following operations!

Remove protective cap (1) from capacitor (2).

Fig 1: Identifying Air Conditioning System And Protective Cap
G06886377Courtesy of BMW OF NORTH AMERICA, INC.

Press sealing cap (1) inwards and remove circlip (2).

Fig 2: Pressing Sealing Cap
G04761899Courtesy of BMW OF NORTH AMERICA, INC.

With assistance of a screwed-in screw (1), remove sealing cap (2) from capacitor (3).

Fig 3: Removing Sealing Cap From Heating And Air Conditioning System Capacitor
G04761900Courtesy of BMW OF NORTH AMERICA, INC.

Installation note: 

Replace sealing rings (1).

Use special tool 00 9 030 to fit sealing rings (1) without damaging them.

Fig 4: Installing Sealing Rings Using Special Tool (00 9 030)
G04761901Courtesy of BMW OF NORTH AMERICA, INC.
IMPORTANT: Risk of damage!
Removal is made more difficult if rib (2) is damaged!

Carefully pull out desiccant insert (1) with a pair of wide pliers on rib (2).

Fig 5: Pulling Out Desiccant Insert With Wide Pliers On Bridge
G04792672Courtesy of BMW OF NORTH AMERICA, INC.

After installation: 

EVACUATE AND FILL A/C SYSTEM