16 11 030 Removing and installing/replacing fuel tank (petrol/gasoline)

WARNING: This page does not describe the selected car, but rather 24 other vehicles, including the 2015 BMW Alpina B7L xDrive, 2015 BMW Alpina B7 xDrive, 2015 BMW 750i xDrive, 2015 BMW 750i, and 2015 BMW 750Li xDrive. 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 workbay!
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 litres of fuel.

Necessary preliminary work

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

G06889182

Courtesy of BMW OF NORTH AMERICA, INC.

Unscrew nuts (1).

Remove cover for sensor opening (2).

Fig 2: Identifying Sensor Opening Cover And Mounting Nuts

G06889183

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 Connections, Fuel Line And Gasket

G06889184

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 Connections, Fuel Line And Gasket

G06889185

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

G06889186

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 Quick-Release Coupling And Hose Clamp

G06889179

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

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

Fig 7: Identifying Fuel Lines

G06889178

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1).

Installation note:

Tightening torque 16 11 1AZ .

Fig 8: Identifying Fuel Tank Mounting Screws

G06889189

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Secure fuel tank against slipping and falling out.

Heavily support the fuel tank.

Fig 9: Supporting Fuel Tank

G04725759

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

G06889191

Courtesy of BMW OF NORTH AMERICA, INC.

If necessary, disconnect fuel line for independent heating.

Remove fuel tank.

Replacement

Convert flange cover . See 16 14 200 REMOVING AND INSTALLING/REPLACING FLANGE COVER (OUTER FUEL FILTER) or 16 14 200 REMOVING AND INSTALLING/REPLACING FLANGE COVER .
Convert fuel pump . See 16 14 200 REMOVING AND INSTALLING/REPLACING FUEL PUMP (OUTER FUEL FILTER) or 16 14 200 REMOVING AND INSTALLING OR REPLACING FUEL PUMP .
Convert pressure regulator . See 16 14 220 REMOVING AND INSTALLING/REPLACING PRESSURE REGULATOR (OUTER FUEL FILTER) or 16 11 048 REMOVING AND INSTALLING/REPLACING FUEL FILTER WITH PRESSURE REGULATOR .
Convert FUEL LEVEL SENSOR .