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/Replacing Left Charge Air Cooler (N63)
WARNING: Risk of scalding! Only perform this repair work after
engine has cooled down!
Necessary preliminary work
Remove ACOUSTIC COVER
Remove front UNDERBODY PROTECTION.
Remove FAN COWL.
Drain coolant for charge air cooler.
Release clamp (1).
Tightening torque 13 71 8AZ.
Release clamp (2).
Removing And Installing/Replacing Control Unit For Air Supply
System
IMPORTANT: Read and comply with notes on PROTECTION AGAINST ELECTROSTATIC
DAMAGE (ESD PROTECTION).
Necessary preliminary tasks
Remove ignition key
Disconnect BATTERY NEGATIVE LEAD
Remove RIGHT LUGGAGE COMPARTMENT TRIM PANEL
Unlock plug connections (2) and disconnect.
Remove control unit (1).
