Necessary preliminary tasks

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DRAWING OFF, EVACUATING AND FILLING THE A/C SYSTEM are not included in the time value given for this work operation
Remove LOWER SECTION OF MICROFILTER HOUSING

Release screws (1, 2), disconnect refrigerant lines and lay to one side.

Tightening torque 64 53 2AZ .

Installation:

Replace sealing rings.

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

Fig 1: Identifying Refrigerant Lines Screws

G04727878

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1) and remove expansion valve (2).

Tightening torque 64 53 13AZ .

Fig 2: Identifying Expansion Valve And Screws

G04727879

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Place expansion valve (1) exactly on refrigerant lines (2) and (3).

Fit screws of expansion valve (1) and make sure retainer (4) is correctly positioned.

Fig 3: Identifying Expansion Valve On Refrigerant Lines

G04727880

Courtesy of BMW OF NORTH AMERICA, INC.

After installation:

EVACUATE AND FILL A/C SYSTEM