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

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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: Screws And Cover

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: Plug Connection, Fuel Feed Line, Gray Ring And Removal Direction

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: Plug Connection 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: Hose Clamp And Fuel Filler Hose

G04725757

Courtesy of BMW OF NORTH AMERICA, INC.

Heavily support the fuel tank.

Fig 5: Supporting Fuel Tank

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: 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: Tightening Strap Mounting 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: Locating Rubber Mount With 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: Vent Line, Right And Left Sensor Units
Courtesy of BMW OF NORTH AMERICA, INC.