64 52... Instructions for opening and replacing parts in refrigerant circuit: Notes
WARNING: This page is about a different variant/trim than selected.
WARNING:
Avoid contact with refrigerant and refrigerant oil.
- Follow safety instructions for HANDLING R134A REFRIGERANT .
- Follow safety instructions for HANDLING REFRIGERANT OIL .
IMPORTANT:
- Always use new O-rings each time A/C connections are opened (refer to BMW Electronic Parts Catalogue)
- Open the refrigerant 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 DESICCANT INSERT for the air conditioning must be replaced.
They must not be coated.
Use special tool 00 9 030 to install sealing rings without damaging them.