64 53 520 Replacing safety pressure switch
WARNING: This page is about a different car, the 2010 BMW M5, 2009 BMW M5, and 2008 BMW M5. 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. See 64 50... Safety Instructions For Handling Refrigerant R 134a . Follow safety instructions for handling refrigerant oil. See 64 50... Safety precautions when handling refrigerant oil (for refrigerant R 134a) .
Drain off air conditioner. See 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. See 64 53 518 Replacing desiccant Insert For A/C System (Condenser Removed) .
Necessary preliminary tasks: Partially remove right wheel arch trim. See 51 71 040 REMOVING AND INSTALLING/REPLACING FRONT LEFT OR RIGHT WHEEL ARCH COVER .
If necessary, release holder for lines (not illustrated). Disconnect plug connection (1). Release safety pressure switch (2). For tightening torque, see 64 53 13AZ .