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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 750xi, 2011 BMW 750Lxi, 2010 BMW 750xi, and 2010 BMW 750Lxi. 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 informations for HANDLING R 134A REFRIGERANT .
Follow safety instructions for 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 Capacitor 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: Fitting 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: Removing Heating And Air Conditioning System Desiccant Insert
G04792672Courtesy of BMW OF NORTH AMERICA, INC.

After installation: 

EVACUATE AND FILL A/C SYSTEM