64 53 551 Removing and installing / replacing condenser for A / C system (N62)

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2005 BMW 745i, 2005 BMW 745Li, 2004 BMW 745i, 2004 BMW 745Li, and 2003 BMW 745i. However, it is still accessible from the selected car via links, so may be relevant.

WARNING: Avoid contact with refrigerant and refrigerant oil.
Follow safety instructions for handling refrigerant R 134a. Refer to 64 50 ... SAFETY INSTRUCTIONS FOR HANDLING REFRIGERANT R 134A .
Follow safety instructions for handling refrigerant oil. Refer to 64 50 ... SAFETY PRECAUTIONS WHEN HANDLING REFRIGERANT OIL (FOR REFRIGERANT R 134A) .

NOTE: The time value given for this work operation does not include drawing off, evacuating and filling the A/C system!

Drain off air conditioner, refer to 64 50 009 DRAWING OFF, EVACUATING AND FILLING A/C SYSTEM (R 134A)

IMPORTANT: Risk of damage!
Restart engine only when A/C system has been correctly filled.

NOTE: If A/C system is opened for more than 24 hours: replace desiccant insert for A/C system. Refer to 64 53 517 REPLACING DESICCANT INSERT FOR A / C SYSTEM (AUTOMATIC A / C HIGH) .

Necessary preliminary tasks:

Remove radiator cover, refer to 17 11 031 REPLACING FAN COWL (N62)

Release screws (1).

Fig 1: Disconnecting Suction And Pressure Lines

Courtesy of BMW OF NORTH AMERICA, INC.

Tightening torque 64 53 1AZ. Refer to HEATING AND AIR CONDITIONING - TIGHTENING TORQUES - 745I - E65 .

Disconnect suction and pressure lines (2) and lay to one side.

Lift out condenser.

Installation:

Replace sealing rings and coat with suitable refrigerant oil.