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).
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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).
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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.
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Fig. 116: Disconnecting Plug Connections And Screws
Release spring strap (1) and detach coolant hose (3).
Remove independent heater (3).
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Fig. 117: Identifying Independent Heater, Spring Strap And Coolant Hose
READ NEXT:
Removing And Installing Or Replacing Fuel Pump
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
Removing And Installing/Replacing Exhaust Pipe
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:
Instructions For Opening And Replacing Parts In Refrigerant Circuit
WARNING:
Avoid contact with refrigerant and refrigerant fluid.
Follow safety information for handling R134A refrigerant.
Follow safety information for HANDLING REFRIGERANT FLUID.
IMPORTANT:
Always use new O-rings each time A/C connections are opened (refer to
Electronic Parts Catalogue)
Electrostatic Discharge (ESD)
It is essential to follow ESD (Electrostatic Discharge) guidelines when
replacing individual components in order
to avoid damage to internal components of the CIC. These requirements also apply
when storing or sending
back components.
Special packaging (ESD bags, ESD boxes with film or foam materi
