BMW 7 Series: Removing And Installing Complete Independent Heater
WARNING: Risk of scalding!
Only perform the following repair work on an engine that has cooled down.
Follow Notes for Repair Work on Cooling System.
NOTE: Clamp off coolant hoses on independent heater.
Recycling
Fuel escapes when fuel line is detached. Have a suitable collecting vessel
ready.
Catch and dispose of escaping fuel.
Observe country-specific waste disposal regulations.
Necessary preliminary work
- Remove FRONT WHEEL ARCH COVER (FRONT SECTION)
- Remove FRONT UNDERBODY PROTECTION
Release screws (1).
Remove lower left cover (2).
Fig. 114: Identifying Lower Left Cover Screws
Release spring clamps (1) and detach coolant hoses.
Installation note:
Top Up Coolant and Bleed Cooling System: See DRAINING AND ADDING COOLANT.
Unlock and detach fuel line (2).
Fig. 115: Identifying Fuel Line And Spring Clamps
Release plug connections (1) and disconnect.
Unfasten screws (2).
Lower independent heater (3).
Installation note:
Make independent heater (3) is correctly seated.
Fig. 116: Disconnecting Plug Connections And Screws
Release spring strap (1) and detach coolant hose (3).
Remove independent heater (3).
Fig. 117: Identifying Independent Heater, Spring Strap And Coolant Hose
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Recycling
Fuel escapes when fuel lines are detached. Have a suitable collecting vessel
ready.
Catch and dispose of escaping fuel.
Observe country-specific waste disposal regulations.
Undo screw (1
Necessary preliminary work
Remove FRONT UNDERBODY PROTECTION
NOTE: Graphic similar.
Release screws (1).
Remove lower left cover (2).
Fig. 124: Identifying Lower Left Cover Screws
Slacken nut (1).
SEE MORE:
Concept
Run-flat tires permit continued driving under restricted
conditions even in the event of a complete
loss of tire inflation pressure.
General information
The wheels consist of tires that are self-supporting,
to a limited degree, and possibly special
rims.
The support of the sidewall allows t
1. Opening spot-weld bonds
OPEN WELD SPOTS.
WARNING: Extract vapors and gases.
Use personal protective clothing/equipment.
Heat connecting flange with a hot-air blower. Heat components to max. 250ºC
object temperature.
Release connection flange with chisel.
Remove adhesive residue from connecti