64 53 520 Replacing safety pressure switch
WARNING: This page does not describe the selected car, but rather 12 other vehicles, including the 2010 BMW M6, 2010 BMW 650i, 2009 BMW M6, 2009 BMW 650i, and 2008 BMW M6. 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, see 64 53 13AZ in 64 53 REFRIGERANT LINES AND EXPANSION VALVE .