64 53 ... Replacing Valve Insert For Refrigerant Line

WARNING: This page is about a different car, the 2008 BMW Alpina and 2007 BMW Alpina. 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 ... INSTRUCTIONS FOR HANDLING REFRIGERANT R 134A .
Follow safety instructions for handling refrigerant oil . See 64 50 ... INSTRUCTIONS FOR HANDLING REFRIGERANT OIL (FOR REFRIGERANT R 134A) .

IMPORTANT: Risk of damage
Restart engine only when A/C system has been correctly filled.
If A/C system is opened for more than 24 hours:Replacing drier insert for A/C system . See 64 53 515 REPLACING DRIER INSERT FOR A/C SYSTEM (AUTOMATIC A/C BASIC) .

NOTE: The special tool is available under BMW order number:
81 34 0 427 679 from the BMW workshop equipment catalogue.

Necessary preliminary tasks:

Drawing off, evacuating and filling the A/C system are not included in the time value given for this work operation. See 64 50 009 DRAWING OFF, EVACUATING AND FILLING A/C SYSTEM (R 134A) .

Twist valve insert out of filler neck (2) with remover (1).

Installation:

Screw in valve insert hand-tight only.

Fig 1: Identifying Filler Neck And Remover

Courtesy of BMW OF NORTH AMERICA, INC.

After installation:

Evacuate and fill A/C system . See 64 50 009 DRAWING OFF, EVACUATING AND FILLING A/C SYSTEM (R 134A) .
Check leak-tightness of valve insert with soapy solution

In event of leakage:

Evacuate A/C system
Check sealing faces on line and valve insert for damage, replace line or valve insert if necessary