BMW 7 Series: Removing And Installing/Replacing Sensor For Fuel Gauge
Recycling
Fuel escapes when fuel lines are detached. Have a suitable collecting
container ready.
Catch and dispose of escaping fuel.
Observe country-specific waste-disposal regulations.
IMPORTANT: Ensure adequate ventilation in the place of work!
Avoid skin contact (wear gloves)!
Ensure absolute cleanliness when working on the open fuel system.
Contaminants in the fuel tank can impair driving operation or may even result
in vehicle breakdown!
Necessary preliminary tasks
- DRAW OFF FUEL
- REMOVE REAR SEAT
- Vehicles with comfort seat:
Remove right REAR SEAT
- Remove flange cover
NOTE: Picture does not show the fuel tank outer skin.
Unclip connecting line for level sensor (2) through service opening (1).
Disconnect plug connector for level sensor (3) from plug connector installation
unit on left (4).
![Fuel Pump](images/books/4361/index 128(6).png)
Fig. 62: Identifying Fuel Level Sensor, Service Opening, Plug Connector And
Installation Unit
NOTE: Picture does not show the fuel tank outer skin.
Unlock tab (3) in upward direction through service opening (1) and lift out
level sensor (2).
Installation:
Level sensor (2) must audibly snap into place.
![Fuel Pump](images/books/4361/index 129(6).png)
Fig. 63: Unlocking Fuel Sensor Tab In Upward Direction Through Service
Opening
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SAFETY INFORMATION FOR WORKING ON VEHICLES WITH AUTOMATIC ENGINE
START-STOP FUNCTION (MSA)
WARNING: If the engine hood/bonnet contact is pulled upwards (workshop
mode),
the information "switch closed
Necessary preliminary work:
Connect BMW diagnosis system.
IMPORTANT: Lines are under pressure!
Wear protective goggles and gloves.
Fuel can emerge spontaneously at high velocity when the fuel line is
SEE MORE:
IMPORTANT: Risk of scalding!
Only perform this repair work after engine has cooled down.
Necessary preliminary work
Drain COOLANT.
Remove FAN COWL.
Recycling
Catch and dispose of drained coolant in a suitable container.
Transmission oil emerges when engine oil lines are detached from transmissi
Notes
WARNING: Risk of burning!
Only perform this work after engine has cooled down.
Necessary preliminary work
Check function of DME control unit
Switch off ignition
Remove AIR FILTER HOUSING
Unlock plug connection and detach.
Unclip control sensor cable at retaining clips.
Release control se