16 11 030 Removing and installing/replacing fuel tank: Notes

WARNING: This page is about a different car, the 2011 BMW 750xi, 2011 BMW 750Lxi, 2010 BMW 750xi, and 2010 BMW 750Lxi. However, it is still accessible from the selected car via links, so may be relevant.

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.

IMPORTANT: Ensure adequate ventilation in the service bay!
Avoid skin contact (wear gloves)!
After installation of fuel tank/prior to first engine start-up:

Check earth connection at fuel filler neck to body for continuity. If necessary, clean contact surface between body and fuel filler pipe screw connection.
Fill fuel tank with at least 5 liters of fuel.

Necessary preliminary tasks:

Draw off FUEL from fuel tank
Remove REAR SEAT
Vehicles with comfort seat: Remove right REAR SEAT
Remove rear right WHEEL ARCH PANEL
Remove PROPELLER SHAFT
Remove COMPRESSION STRUT on left and right

For F02 rear air conditioners:

Remove refrigerant lines

Remove sound insulation (1).

Fig 1: Identifying Sound Insulation

Courtesy of BMW OF NORTH AMERICA, INC.

Unscrew nuts (1).

Remove cover for sensor opening (2).

Fig 2: Identifying Sound Insulation Cover And Mounting Nuts

Courtesy of BMW OF NORTH AMERICA, INC.

Disconnect plug connection (1).

Disconnect fuel line (2).

If necessary, disconnect fuel line for auxiliary heating.

Installation note:

Check gasket (3), replace if necessary.

Fig 3: Identifying Plug Connection, Fuel Line And Gasket

Courtesy of BMW OF NORTH AMERICA, INC.

Vehicles with outer fuel filter (S1AKA):

Disconnect plug connection (1).

Disconnect fuel lines (2).

Installation note:

Check gasket (3), replace if necessary.

Fig 4: Identifying Plug Connection, Fuel Line And Gasket

Courtesy of BMW OF NORTH AMERICA, INC.

Release plastic nuts (1).

Installation note:

Check plastic nuts (1), replace if necessary.

Tightening torque 16 12 2AZ .

Fig 5: Identifying Plastic Nuts

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: There may be residual amounts of fuel in the fuel tank.

Catch escaping fuel in a suitable collecting vessel.

Unfasten hose clamp (1).

Installation note:

Check hose clamp (1), replace if necessary.

Tightening torque 16 12 1AZ .

Release quick-release coupling (2). Detach line.

Detach fuel filler pipe.

Fig 6: Identifying Fuel Tank Hose Clip And Quick-Release Coupling

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

Make sure lines (1) and (2) are correctly seated in bracket.

Fig 7: Identifying Fuel Filler Lines

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1).

Installation note:

Tightening torque 16 11 1AZ .

Fig 8: Identifying Fuel Tank Mounting Screws

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Secure fuel tank against slipping and falling out.

Heavily support the fuel tank.

Fig 9: Identifying Fuel Tank Supported

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1).

Installation note:

Tightening torque 16 11 2AZ .

Lower fuel tank.

Fig 10: Identifying Fuel Tank Mounting Screws

Courtesy of BMW OF NORTH AMERICA, INC.

If necessary, disconnect fuel line for independent heating.

Remove fuel tank.