64 53 642 Replacing line from compressor to condenser (N54)

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2010 BMW 535xi, 2010 BMW 535i, 2009 BMW 535xi, 2009 BMW 535i, and 2008 BMW 535xi. 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 FAN COWL
Remove left charge-air duct

IMPORTANT: Risk of damage!
Do not place front panel center section (2) on jump start terminals.
Do not kink Bowden cables of engine hood/bonnet lock.

Release screws (1).

Remove front panel center section (2) in direction of arrow and place to one side.

Fig 1: Removing Front Panel Centre Section

Courtesy of BMW OF NORTH AMERICA, INC.

Expose refrigerant line up to compressor connection.

Release screw (1) and place refrigerant line (3) to one side.

Release screws (2 and 4) and remove refrigerant line (5).

Feed refrigerant line (5) out of engine compartment.

Installation:

Replace sealing rings and moisten with refrigerant oil.

Tightening torque 64 52 1AZ on compressor.

Tightening torque 64 53 6AZ on condenser.

Fig 2: Identifying Refrigerant Line And Screws

Courtesy of BMW OF NORTH AMERICA, INC.

After installation:

EVACUATE AND FILL A/C SYSTEM