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Home >> BMW >> 2011 >> 335i 2D Convertible, Standard >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Heating And Air Conditioning - Repair - E90 >> Condenser And Dryer With Lines >> 64 53 550 Removing and installing/replacing capacitor (with desiccant insert) for heating and air conditioning system

64 53 550 Removing and installing/replacing capacitor (with desiccant insert) for heating and air conditioning system

Special tools required: 

WARNING: Danger of injury!
Refrigerant circuit is under high pressure!
Avoid contact with refrigerant and refrigerant oil.
Read and comply with safety instructions:
IMPORTANT: Risk of damage!
Restart engine only when A/C system has been correctly filled.

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

REPLACE DESICCANT INSERT FOR A/C SYSTEM 

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 tasks: 

Release screws (1).

Tightening torque 64 53 1AZ .

Disconnect suction and pressure lines and lay to one side.

Installation note: 

Replace sealing rings.

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

Fig 1: Identifying Pressure Lines Screws
G04727903Courtesy of BMW OF NORTH AMERICA, INC.

Release screw (1).

Lever out clamp (2).

Remove capacitor (3) rearwards.

Installation note: 

Make sure retaining clips are correctly seated in area (4).

Fig 2: Identifying Capacitor, Clamp And Screw
G04727904Courtesy of BMW OF NORTH AMERICA, INC.

Installation note: 

Make sure capacitor (1) is securely seated in area (2).

Fig 3: Identifying Capacitor Seated Area
G04727905Courtesy of BMW OF NORTH AMERICA, INC.

After installation