64 51 520 Removing and installing or replacing expansion valve

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.

Special tools required:

WARNING: Follow all applicable SAFETY INFORMATION .

IMPORTANT:

Risk of damage!

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

Read and comply with notes on COMPRESSOR REPLACEMENT .

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

Necessary preliminary tasks:

Draw off REFRIGERANT FROM AIR CONDITIONING SYSTEM
Remove intake silencer housing. See REMOVING INTAKE SILENCER HOUSING (N16) or REMOVING INTAKE SILENCER HOUSING (N18) .

Slacken nut (1).

Disconnect refrigerant lines (2).

Tightening torque 64 11 4AZ .

Installation note:

Replace sealing rings.

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

Fig 1: Identifying Refrigerant Lines And Nut

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.

Tightening torque 64 11 5AZ .

Installation note:

Make sure expansion valve is correctly seated on seal.

Fig 2: Releasing Screw Using Special Tool (64 1 140)

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 3: Gripping Mounting Plate Using Special Tool (64 1 140)

Courtesy of BMW OF NORTH AMERICA, INC.