16 14 200 Removing and installing or replacing fuel pump (S63)

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.

Necessary preliminary work:

DRAW OFF FUEL .
Remove rear seat bench.

Fold both floor trims (1) to the side.

Unscrew nuts (2).

Remove cover for service opening (3).

Fig 1: Identifying Floor Cover And Screws

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Release lock (1) in direction of arrow.

Pull off fuel line (2).

Disconnect plug connection (3).

If necessary, disconnect fuel line for auxiliary heating.

Installation note:

Make sure the fuel line engages correctly.

Fig 2: Identifying Fuel Line And Plug Connections

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Release nuts (1) and remove retaining ring (2).

Raise flange cover.

Installation note:

Tighten down nuts (1) in diagonal sequence.

Replace nuts (1).

Tightening torque 16 14 2AZ .

Fig 3: Identifying Retaining Ring And Nuts

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Installation note:

Bulge on flange cover (1) must line up with mark (2) on fuel tank.

Fig 4: Identifying Mark On Fuel Tank

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Disconnect plug connection (1).

Rubber seal (2) must always be replaced.

Fig 5: Identifying Rubber Seal And Plug Connection

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

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

Installation note:

Make sure hose pipe is correctly installed.

Fig 6: 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 7: Removing Fuel Pump

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