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:
Electronic Components
OVERVIEW OF ELECTRONIC COMPONENTS
Fig. 153: Overview Of Electronic Components
Pulse generator
Brake pad wear sensor
ICM control unit
DSC control unit
REMOVING AND INSTALLING/RENEWING ICM CONTROL UNIT
IMPORTANT: Read and comply with notes on PROTECTION AGAINST ELECTROSTATIC
DAMAGE (ESD prote
Removing And Installing/Renewing Both Solenoid Valves On Right
Side (N63)
IMPORTANT: Always check that the solenoid valves are clean during removal
and
installation.
Possible malfunctions if valves are contaminated:
Irregular operation
OBD incorrect entry
Poor exhaust gas values
Low engine performance
IMPORTANT: Risk of damage!
Do not clean solenoid valves with co
