64 53 520 Replacing safety pressure switch

WARNING: This page is about a different variant/trim than selected.

WARNING: Avoid contact with refrigerant and refrigerant oil.
Follow safety instructions for handling R 134a refrigerant.
Follow safety instructions for handling refrigerant oil.

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:Replace drier bottle/drier insert.

Necessary preliminary tasks:

Disconnect plug connection (1).

Unscrew safety pressure switch (2).

Tightening torque. 64 53 4AZ .

Fig 1: Identifying Plug Connection And Safety Pressure Switch

Courtesy of BMW OF NORTH AMERICA, INC.

After installation:

Evacuate and fill A/C system