64 12 577 Replacing changeover valve for independent/auxiliary heater
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:
- Remove front left wheel trim. Refer to 51 71 040 REMOVING AND INSTALLING/REPLACING FRONT LEFT OR RIGHT WHEEL ARCH COVER .
NOTE:
Disconnect coolant hoses from changeover valve for independent/auxiliary heater.
WARNING:
Danger of scalding! Only perform the following tasks on an engine that has cooled down. Follow instructions for working on cooling system. Refer to 17 00 ... INSTRUCTIONS FOR WORKING ON COOLING SYSTEM
.
Unfasten plug connection (1) and disconnect.
Release spring clips (2) and detach coolant hoses.
Unscrew nuts (3).
Remove changeover valve for independent/auxiliary heater (4) in direction of arrow.
Installation:
Top up coolant and vent cooling system. Refer to 17 00 009 CHECKING COOLING SYSTEM FOR WATER LEAKS .