64 53 520 Replacing safety pressure switch

Special tools required: 

• 00 9 030

Necessary preliminary tasks: 

• Drain off AIR CONDITIONING SYSTEM 
• Remove RIGHT COWL PANEL COVER
• Remove RIGHT HEADLIGHT

REMOVAL: 

Release clip (1).

Release expanding rivet (2).

Release screw (3).

Remove cover (4).

Fig 1: Cover, Screw, Expanding Rivet, And Clip

Courtesy of BMW OF NORTH AMERICA, INC.

Unlock and open coolant line clip (1).

Fig 2: Coolant Line Clip

Courtesy of BMW OF NORTH AMERICA, INC.

Release screw (1).

Remove coolant line (2).

Fig 3: Coolant Line And Screw

Courtesy of BMW OF NORTH AMERICA, INC.

Unfasten plug connection (1) and disconnect.

Release safety pressure switch (2).

Fig 4: Safety Pressure Switch And Plug Connection

Courtesy of BMW OF NORTH AMERICA, INC.

INSTALLATION: 

Tighten safety pressure switch (2).

Tightening torque 64 53 8AZ .

Join and lock plug connection (1).

Fig 5: Safety Pressure Switch And Plug Connection

Courtesy of BMW OF NORTH AMERICA, INC.

Position coolant line (2) correctly.

Tighten screw (1).

Fig 6: Coolant Line And Screw

Courtesy of BMW OF NORTH AMERICA, INC.

Use special tool 00 9 030 to mount sealing rings without damaging them.

Close and lock coolant line clip (1).

Fig 7: Coolant Line Clip

Courtesy of BMW OF NORTH AMERICA, INC.

Position cover (4) and secure with clip (1) and expanding rivet (2).

Tighten screw (3).

Fig 8: Cover, Screw, Expanding Rivet, And Clip

Courtesy of BMW OF NORTH AMERICA, INC.

Required reworking: 

• Evacuate and fill AIR CONDITIONING