64 51 520 Removing and installing or replacing expansion valve

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2019 MINI Cooper, 2018 MINI Cooper, 2017 MINI Cooper, 2016 MINI Cooper, and 2015 MINI Cooper. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

WARNING:

Follow safety instructions for handling REFRIGERANT and REFRIGERANT OIL .

IMPORTANT:

Risk of damage! Restart engine only when air conditioning has been correctly filled.

Follow notes for OPENING AND REPLACING PARTS in refrigerant circuit.

If air conditioning is opened for more than 24 hours: REPLACE CAPACITOR FOR HEATING AND AIR CONDITIONING SYSTEM

Necessary preliminary tasks:

Draw off REFRIGERANT FROM AIR CONDITIONING SYSTEM
Remove POWER DISTRIBUTION BOX

REMOVAL:

Remove plug connections (1) upwards out of cover (2).

Remove cover (2).

Fig 1: Expansion Valve Cover And Plug Connections

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1).

Remove refrigerant lines (2).

Fig 2: Refrigerant Lines And Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Release screw (1) and screw in special tool 64 1 140 .

Release screw (2) and feed out expansion valve (3) towards front.

Fig 3: Expansion Valve, Screws, And Special Tool

Courtesy of BMW OF NORTH AMERICA, INC.

INSTALLATION:

NOTE: Replace all sealing rings on twin pipes (2).
Use special tool 00 9 030 to mount sealing rings without damaging them.
Carefully insert expansion valve (1).
Grip mounting plate (3) with special tool 64 1 140 and secure expansion valve (1) with a screw.

Fig 4: Twin Pipes, Expansion Valve, Mounting Plate, And Special Tool

Courtesy of BMW OF NORTH AMERICA, INC.

Release special tool 64 1 140 .

Tighten screws (1 and 2) on expansion valve (3).

Tightening torque 64 53 2AZ .

Fig 5: Expansion Valve, Screws, And Special Tool

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Make sure expansion valve is correctly seated on seal.

Position refrigerant lines (2).

Tighten down screws (1).

Tightening torque 64 53 1AZ .

NOTE: Replace sealing rings.

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

Fig 6: Refrigerant Lines And Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Position cover (2) correctly.

Insert plug connections (1) downwards in cover (2).

Fig 7: Expansion Valve Cover And Plug Connections

Courtesy of BMW OF NORTH AMERICA, INC.

Required reworking:

Evacuate and fill AIR CONDITIONING