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Home >> BMW >> 2013 >> 740Lxi >> Repair and Diagnosis >> External Pages >> Different car >> Section 465 (Heating And Air Conditioning - Repair) >> Condenser And Dryer With Lines >> 64 53 551 Removing and installing/replacing capacitor for the heating and air conditioning system (N63) >> Notes

64 53 551 Removing and installing/replacing capacitor for the heating and air conditioning system (N63): Notes

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 information for HANDLING TETRAFLUORETHANE REFRIGERANT R134A .
Follow safety information 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 NOTES  for opening and replacing parts in refrigerant circuit.
If air conditioning system is opened for more than 24 hours: Replace DESICCANT INSERT FOR A/C SYSTEM 

Necessary preliminary tasks: 

Unclip fan cowl (1) at clamps (2) on left and right, feed out in upward direction and loosen from cooler package cover.

Fig 1: Removing Fan Cowl
G06889285Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1) on left and right from cover (3).

Tightening torque 17 10 1AZ .

Release screws (2) behind sealing lip.

Tightening torque 17 10 1AZ .

Lift out cover (3).

Fig 2: Identifying Cover And Screws
G06889272Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1).

Tightening torque 64 53 3AZ .

Remove heating and air conditioning lines (2) in direction of arrow and place to one side.

Installation note: 

Replace sealing rings.

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

Lift out capacitor (3).

Fig 3: Lifting Capacitor
G05479023Courtesy of BMW OF NORTH AMERICA, INC.