64 52... Instructions for opening and part replacement in refrigerant circuit: Tools
WARNING: This page is about a different car, the 2013 BMW 550i GT, 2012 BMW 550i GT, 2011 BMW 550i GT, and 2010 BMW 550i GT. 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 information for handling R134a refrigerant . See 64 50... INSTRUCTIONS FOR HANDLING R 134A REFRIGERANT or 64 50... SAFETY INFORMATIONS FOR HANDLING TETRAFLUORETHANE REFRIGERANT R134A
- Follow safety information for HANDLING REFRIGERANT OIL
Attention!
- Always use new O-rings each time A/C connections are opened
They must not be coated.
Use special tool 00 9 030 to install sealing rings without damaging them.
- Open the referigerant circuit for as short of a period as possible.
- Close all components and lines in the refrigerant circuit and return parts immediately following the removals at openings with special tool 32 1 270 to prevent penetration of moisture or foreign objects.
- If the refrigerant circuit was closed at the openings with special tool 32 1 270 but it remains open for more than 24 hours, the dryer insert for the air conditioning must be replaced.