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).
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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.
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Fig. 63: Unlocking Fuel Sensor Tab In Upward Direction Through Service
Opening
READ NEXT:
Checking Setting Engine Emission
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
Check Fuel Pressure
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:
Removing And Installing Actuator Unit With Control Unit For
Parking Brake (EMF)
Necessary preliminary work
Remove BOTH REAR WHEELS.
IMPORTANT: The following work must only be carried of ISID diagnosis
system with
software version 02.21 or later.
Delete fault memory.
Check function of actuator unit.
If actuator unit is defective, set BMW diagnosis workshop mode.
Operatin
Fuel gauge
Concept
The current fill level of the fuel tank is displayed.
General information
Vehicle tilt position may cause the display to
vary.
Additional information:
Refueling
Display
An arrow beside the fuel pump
symbol shows which side of the
vehicle the fuel filler flap is on.
The current range is di
