BMW 7 Series: Removing And Installing Or Replacing Control Unit For Electric Fuel Pump
IMPORTANT: Read and comply with notes on PROTECTION AGAINST ELECTROSTATIC DAMAGE (ESD protection).
Necessary preliminary tasks
- Remove STORAGE COMPARTMENT in luggage compartment
Disconnect plug connection (1).
Unfasten screws (2).
Remove control unit (3).
Installation: Tightening torque 16 14 1AZ.
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Fig. 41: Identifying Electric Fuel Pump Control Unit With Plug Connection And
Mounting Screws
Replacement
- Carry out programming/encoding
REMOVING AND INSTALLING OR REPLACING FUEL PUMP
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.
Disconnect earth cable (1).
Disconnect fuel lines (2).
Release lock (4) and remove pump housing cover (3).
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Fig. 42: Identifying Fuel Pump Housing Cover With Fuel Lines, Earth Cable And
Lock
Release lock (1) and remove fuel pump (2) towards top.
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Fig. 43: Identifying Fuel Pump With Lock
READ NEXT:
Removing And Installing/Replacing Dust Filter For Natural Vacuum
Leak Detection (NVLD)
Necessary preliminary work:
Remove CARBON CANISTER.
Unlock and disconnect snap fastener (1).
Release screw (2) and remove dust filter (3).
Installation note:
Check gasket and replace if necessary
Removing And Installing/Replacing Fuel Pump (Outer Fuel Filter)
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:
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:
SEE MORE:
Replacing Inside Light
Unclip cover (1) at side recess (arrowed) and remove towards bottom.
Fig. 196: Locating Cover Side Recess
Unclip lamp housing (1) at side recess (arrowed).
Fig. 197: Locating Lamp Housing Recess
Disconnect flat connector (1) from flat connector contact.
Fig. 198: Identifying Flat Connector
CAUTIO
System Overview
The Telematics Control Unit (TCU) and the interface box 'High' (ULF-SBX-H)
control units are connected to
the MOST bus. TCU and interface box 'High' may both be fitted in the vehicle for
certain equipment options. In
this case, the telephone function is always implemented in the TCU.
The head uni
