64 51 525 Removing and installing or replacing expansion valve
WARNING: This page is about a different car, the 2005 BMW 545i and 2004 BMW 545i. However, it is still accessible from the selected car via links, so may be relevant.
Necessary Preliminary Tasks:
- Draw off refrigerant from A/C system. Refer to 64 50 009 DRAWING OFF, EVACUATING AND FILLING A/C SYSTEM (R 134A) .
- Remove fresh air duct. Refer to 64 31 053 REMOVING AND INSTALLING OR REPLACING FRESH AIR DUCT .
Feed out rubber grommet (1).
Installation:
Make sure rubber grommet (1) is correctly seated.
Unscrew nut (2).
Installation:
Tightening torque, refer to 64 53 7AZ in HEATING AND AIR CONDITIONING - TIGHTENING TORQUE - E60 .
Detach refrigerant lines (3) and (4) in direction of arrow.
Installation:
Replace sealing rings.
Release screws (1).
Installation:
Tightening torque, refer to 64 53 9AZ in HEATING AND AIR CONDITIONING - TIGHTENING TORQUE - E60 .
Detach expansion valve (2) in direction of arrow.
Installation:
Replace sealing rings.
Make sure soundproofing (3) is correctly seated.