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

WARNING: This page is about a different car, the 2011 BMW M3, 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: Danger of injury!
Refrigerant circuit is under high pressure!
Follow safety information for handling R 134a tetrafluorethane refrigerant See 6450... SAFETY INSTRUCTIONS FOR HANDLING R134A REFRIGERANT or 6450... INSTRUCTIONS FOR HANDLING REFRIGERANT R 134A .
Avoid contact with refrigerant and refrigerant fluid.
Follow safety information for HANDLING REFRIGERANT FLUID .

IMPORTANT: Risk of damage!
Restart engine only when air conditioning system has been correctly filled.
Follow NOTES for opening and replacing parts in refrigerant circuit.
If air conditioning system is opened for more than 24 hours:
REPLACE DESICCANT INSERT FOR HEATING AND AIR CONDITIONING SYSTEM

Necessary preliminary work:

DRAIN OFF AIR CONDITIONING SYSTEM
Remove INTAKE SILENCER HOUSING
Remove AIR MANIFOLD
Remove both LEFT (OR RIGHT) SUSPENSION CROSSBRACE
Release refrigerant tank and place to one side

Release screw (1) and remove refrigerant line.

Installation note:

Replace sealing rings.

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

Fig 1: Identifying Refrigerant Line Screw

Courtesy of BMW OF NORTH AMERICA, INC.

Expose refrigerant line up to evaporator connection.

Release screw (1) and remove refrigerant line.

Installation note:

Replace sealing rings.

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

Fig 2: Identifying Refrigerant Line Screw

Courtesy of BMW OF NORTH AMERICA, INC.

After installation

Evacuate and fill A/C SYSTEM (R 134a)