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16 14 010 Removing and installing / replacing fuel pump

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Special tools required: 

IMPORTANT: Ensure adequate ventilation in the place of work!
Ensure absolute cleanliness when working on the open fuel tank.
Contaminants in the fuel tank can impair driving operation or may even result in vehicle breakdown!

Necessary preliminary tasks: 

Fold floor trim panel (1) (carpet) forwards.

Fig 1: Folding Back Rubber Mat
G03289917Courtesy of BMW OF NORTH AMERICA, INC.

Detach insulating mat (2) at perforation and fold back towards rear. Pop out rubber plugs here.

Fold back rubber mat.

IMPORTANT: Do not damage gasket.

Release screws (1) and fold back metal cover.

Fig 2: Folding Back Metal Cover
G03289918Courtesy of BMW OF NORTH AMERICA, INC.
IMPORTANT: Fuel hoses are pressurized.

Unfasten plug connection (1) and disconnect.

Fig 3: Disconnecting Plug Connection
G03289919Courtesy of BMW OF NORTH AMERICA, INC.

Unfasten hoses and detach carefully.

Do not damage connecting piece when doing so.

Release screw cap with special tool 16 1 020 and remove.

Fig 4: Releasing Screw Cap With Special Tool
G03289920Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Replace seal.

Tightening torque 16 14 2AZ. Refer to FUEL SUPPLY SYSTEM - TIGHTENING TORQUES .

IMPORTANT: Risk of breakage!
Carefully raise service cap. In so doing, do not pull excessively on connecting piece of fuel feed.
Fig 5: Identifying Service Cap
G03289921Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Service cap can only be installed in one position.

When installing, make sure lug (1) of service cap engages in corresponding opening (2) on fuel tank.

During torque tightening, notch (3) on screw cap can be clearly heard and felt to engage toothed segment (4) on fuel tank.

Replace seal.

Disconnect plug connection (2).

Fig 6: Disconnecting Plug Connection
G03289922Courtesy of BMW OF NORTH AMERICA, INC.

Carefully remove cap with spiral hose and fuel pump from fuel tank.

Fig 7: Removing Cap With Spiral Hose And Fuel Pump From Fuel Tank
G03289923Courtesy of BMW OF NORTH AMERICA, INC.