64 53 520 Replacing safety pressure switch
WARNING: This page is about a different car, the 2005 BMW 545i and 2004 BMW 545i. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
Avoid contact with refrigerant and refrigerant oil. Follow safety instructions for handling refrigerant R 134a, refer to 64 50 ... SAFETY INSTRUCTIONS FOR HANDLING REFRIGERANT R 134A . Follow safety instructions for handling refrigerant oil, refer to 64 50 ... SAFETY PRECAUTIONS WHEN HANDLING REFRIGERANT OIL (FOR REFRIGERANT R 134A) .
NOTE:
The time value given for this work operation does not include drawing off, evacuating and filling the A/C system!
- Drain off air conditioner, refer to 64 50 009 DRAWING OFF, EVACUATING AND FILLING A/C SYSTEM (R 134A) .
IMPORTANT:
Risk of damage! Restart engine only when A/C system has been correctly filled.
NOTE:
If A/C system is opened for more than 24 hours: Replace desiccant insert for A/C system, refer to 64 53 518 REPLACING DESICCANT INSERT FOR A/C SYSTEM (CONDENSER REMOVED) .
If necessary, release holder for lines (not illustrated).
Disconnect plug connection (1).
Release safety pressure switch (2). Tightening torque, refer to 64 53 13AZ in HEATING AND AIR CONDITIONING - TIGHTENING TORQUE - E60 .