16 14 200 Removing and installing or replacing fuel pump (N20, N55, N63, N52)

WARNING: This page does not describe the selected car, but rather 50 other vehicles, including the 2016 BMW M5, 2016 BMW ActiveHybrid 5, 2016 BMW 550i xDrive, 2016 BMW 550i, and 2016 BMW 535i xDrive. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

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)!
Ensure absolute cleanliness when performing repair work on the open fuel system. Dirt contamination in the fuel tank may impair driving or may even result in vehicle breakdown.
Pressure-temparature sensor is fitted on inside of flange cover. The pressure-temperature sensor cannot be replaced in single components, the complete delivery unit must be replaced!

Necessary preliminary work:

DRAW OFF FUEL
Remove rear seat bench

Adjustment of fuel tank pressure and temperature sensor must be carried out on replacement of fuel pump!

Fold both floor trims (1) to the side.

Unfasten screws (2).

Remove cover for service opening (3).

Fig 1: Identifying Floor Cover And Screws

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Disconnect all plug connections (1).

Disconnect fuel line (2).

If necessary, disconnect fuel line for auxiliary heating.

Installation note:

Check gasket (3), replace if necessary.

Fig 2: Identifying Fuel Line And Plug Connections

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Fit special tool 16 1 190 with wide crank web (1) towards rear onto locking ring (2).

Connect special tool 33 5 070 to 1/2 inch reversible ratchet head (3) and position on special tool 16 1 190 .

Release locking ring (2) in counterclockwise direction.

Fig 3: Fitting Special Tool (16 1 190) With Wide Crank Web Onto Locking Ring

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Disconnect plug connection (1).

Fig 4: Identifying Sealing Ring And Plug Connection

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Pull out pressure regulator (1) upwards in direction of arrow.

Feed out hose pipe (2) from fuel tank with pressure line.

Installation note:

Make sure hose pipe is correctly installed.

Fig 5: Pulling Pressure Regulator

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Unlock and detach quick-connect couplings (1).

Installation note:

Make sure quick-release fasteners are correctly latched.

Press tabs (2) outward in direction of arrow and remove fuel pump (3) in upward direction.

Installation note:

Make sure installation position of the lower fine screen on the fuel pump in the surge tank is correct.

Make sure fuel pump is correctly latched in the surge tank.

Fig 6: Removing Fuel Pump

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