16 11 030 Removing and installing/replacing fuel tank (petrol/gasoline vehicles with US version DMTL)

WARNING: This page does not describe the selected car, but rather 11 other vehicles, including the 2008 BMW 328xi, 2008 BMW 328i, 2008 BMW 323i, 2007 BMW 328xi, and 2007 BMW 328i. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT: After installation of fuel tank/prior to first engine start-up:

Check ground 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 min. 5 l fuel.

Necessary preliminary tasks:

Draw Off Fuel From Fuel Tank
Remove Guide Tube For Handbrake Cables
Remove left and right ram-air lips
Remove Rear Seat Bench
Remove Left And Right Underbody Cover
Partially detach underbody panelling

Release screws (1) and remove cover (2) from left and right sides of fuel tank.

Fig 1: Identifying Fuel Tank Cover And Mounting Screws

G04725754

Courtesy of BMW OF NORTH AMERICA, INC.

Left sensor unit:

Disconnect plug connection (1).

Press gray ring (2) towards sensor unit and pull out fuel feed line (3).

Fig 2: Identifying Left Fuel Sensor Unit Plug Connection, Gray Ring And Fuel Feed Line

G04725755

Courtesy of BMW OF NORTH AMERICA, INC.

Right sensor unit:

Disconnect plug connection (1).

Unlock quick-release fasteners and disconnect lines (2).

Fig 3: Identifying Right Senor Unit Plug Connection, Quick-Release Fasteners And Lines

G04725766

Courtesy of BMW OF NORTH AMERICA, INC.

Release hose clamp (1) and detach fuel filler hose (2).

Installation:

For tightening torque refer to 16 12 1AZ in 16 12 FUEL DELIVERY .

Fig 4: Identifying Fuel Filler Hose And Hose Clamp

G04725757

Courtesy of BMW OF NORTH AMERICA, INC.

Heavily support the fuel tank.

Fig 5: Identifying Fuel Tank Support

G04725759

Courtesy of BMW OF NORTH AMERICA, INC.

Unfasten nut.

Installation:

Replace self-locking nut.

For tightening torque refer to 16 11 1AZ in 16 11 FUEL TANK AND MOUNTING PARTS .

Fig 6: Identifying Fuel Tank Self-Locking Nut

G04725760

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws for tightening straps on left and right and remove tightening straps.

Installation:

For tightening torque refer to 16 11 2AZ in 16 11 FUEL TANK AND MOUNTING PARTS .

IMPORTANT: Carefully feed the vent line through the body when lowering the fuel tank.

Fig 7: Identifying Tightening Straps Screws

G04725761

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Note rubber mount with spacer bush.

Wide collar on spacer bush points to screw head.

Fig 8: Identifying Spacer Bush

G04725762

Courtesy of BMW OF NORTH AMERICA, INC.

The following components must be modified when the fuel tank is replaced:

Right Sensor Unit (2)
Left Sensor Unit (3)

Fig 9: Identifying Fuel Tank Vent Line, Right And Left Sensor Unit
Courtesy of BMW OF NORTH AMERICA, INC.