64 53 670 Replacing line from compressor to evaporator (S85)

WARNING: This page is about a different car, the 2010 BMW M3, 2009 BMW M3, and 2008 BMW M3. However, it is still accessible from the selected car via links, so may be relevant.

WARNING: Risk of injury!
Refrigerant circuit is under high pressure!
Follow safety instructions for handling R 134a refrigerant .
Avoid contact with refrigerant and refrigerant oil.
Follow safety instructions for handling refrigerant oil .

IMPORTANT: Risk of damage!
Restart engine only when A/C system has been correctly filled.
Follow instructions for opening and replacing parts in refrigerant circuit.
If A/C system is opened for more than 24 hours:
Replace desiccant insert for A/C system

Necessary preliminary tasks:

Drawing off, evacuating and filling the A/C system are not included in the time value given for this work operation
Remove intake filter housing . See 13 71 000 REMOVING AND INSTALLING/REPLACING INTAKE FILTER HOUSING (S65) .
Remove air manifold . See 11 61 050 REMOVING AND INSTALLING AIR INTAKE MANIFOLD (S65) .
Remove both suspension cross-braces . See 51 71 345 REMOVING AND INSTALLING/REPLACING LEFT (OR RIGHT) SUSPENSION CROSS-BRACE .
Release refrigerant tank and place to one side

Release screw (1) and remove refrigerant line.

Installation:

Replace sealing rings and moisten with refrigerant oil.

Tightening torque 64 53 5AZ , see 64 53 REFRIGERANT LINES AND EXPANSION VALVE .

Fig 1: Identifying Refrigerant Line And Screw

Courtesy of BMW OF NORTH AMERICA, INC.

Expose refrigerant line up to evaporator connection.

Release screw (1) and remove refrigerant line.

Installation:

Replace sealing ring and moisten with refrigerant oil.

Tightening torque 64 53 3AZ , see 64 53 REFRIGERANT LINES AND EXPANSION VALVE .

Fig 2: Identifying Refrigerant Oil And Screw

Courtesy of BMW OF NORTH AMERICA, INC.

After installation:

Evacuate and fill A/C system .