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64 53 517 Replacing desiccant insert for air conditioning system

WARNING: This page is about a different car, the 2011 BMW X6 and 2010 BMW X6. 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!
Follow safety information for handling R134a refrigerant. See SAFETY INFORMATION  and INSTRUCTIONS FOR HANDLING .
Follow safety instructions for HANDLING REFRIGERANT OIL .
Avoid contact with refrigerant and refrigerant fluid.
IMPORTANT: Risk of damage!
Restart engine only when air conditioning 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 

Necessary preliminary tasks:

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

Fig 1: Identifying Protective Cap And Capacitor
G04761898Courtesy 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 from capacitor (3).

Fig 3: Removing Sealing Cap From Capacitor
G04761900Courtesy of BMW OF NORTH AMERICA, INC.

Installation note: 

Replace seals (1) on end cap (2).

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

Fig 4: Identifying Seals And End Cap
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
G04792672Courtesy of BMW OF NORTH AMERICA, INC.

After installation: