64 53 520 Replacing safety pressure switch

WARNING: This page is about a different car, the 2016 MINI Cooper Paceman, 2015 MINI Cooper Paceman, 2014 MINI Cooper Paceman, and 2013 MINI Cooper. However, it is still accessible from the selected car via links, so may be relevant.

WARNING: Follow all applicable SAFETY INFORMATION .

IMPORTANT:

Risk of damage!

Restart engine only when A/C system has been correctly filled.

If air conditioning system is opened for more than 24 hours: REPLACE DESICCANT INSERT FOR A/C SYSTEM

Necessary preliminary tasks:

EVACUATE the air conditioning system.

Release screw (1).

Remove expansion tank (3) toward top.

Unclip coolant hose (2) in marked area.

Fig 1: Removing Expansion Tank

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: View from below for better presentation of the safety pressure switch (2).

Unfasten plug connection (1) and disconnect.

Unscrew safety pressure switch (2).

Tightening torque 64 53 4AZ .

Fig 2: Identifying Safety Pressure Switch And Plug Connection

Courtesy of BMW OF NORTH AMERICA, INC.

After installation:

EVACUATE AND FILL the air conditioning system.