16 14 010 Removing and installing or replacing fuel pump

WARNING: This page is about a different car, the 2011 BMW M3, 2010 BMW M3, 2009 BMW M3, and 2008 BMW M3. However, it is still accessible from the selected car via links, so may be relevant.

Recycling

Fuel escapes when fuel lines are detached. Have a suitable collecting container ready.

Catch and dispose of escaping fuel.

Observe country-specific waste-disposal regulations.

IMPORTANT: Ensure adequate ventilation in the place of work!
Avoid skin contact (wear gloves)!

Before starting the engine for the first time:

Fill fuel tank with at least 5 liters of fuel
Check TRANSFER FUNCTION OF SUCTION JET PUMP

Necessary preliminary tasks

DRAW OFF FUEL FROM FUEL TANK
Remove rear seat bench See 5226005 REMOVING AND INSTALLING/REPLACING REAR SEAT (THROUGH-LOADING) or 5224005 REMOVING AND INSTALLING OR REPLACING REAR SEAT

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

Fig 1: Identifying Fuel Tank Cover And Screws

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USA national version:

Disconnect plug connection (1).

Unlock and detach vent lines (2).

If necessary, remove fuel line for independent heating.

Fig 2: Identifying Plug Connection And Vent Lines (USA National Version)

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ECE national version:

Disconnect plug connection (1).

Unlock and detach vent line (2).

If necessary, remove fuel line for independent heating.

Fig 3: Identifying Plug Connection And Vent Line

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Release screw cap with special tool 16 8 020 LIFTING GEAR and remove service cap.

Installation:

Procedure for tightening screw cap, see next work step.

Fig 4: Removing Screw Cap Using Special Tool (16 1 020)

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IMPORTANT: Fit screw cap without using a tool and tighten hand-tight.

Then tighten screw cap with special tool 16 8 020 LIFTING GEAR until notch (1) points to marking (2).

NOTE: Illustration shows the tank removed.

Fig 5: Identifying Notch And Marking On Screw Cap

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Carefully raise service cap (1).

Unlock and detach vent line (2).

Installation:

Clean sealing faces and install new seal (3).

Make sure that the lever sensor moves freely before fitting the service cap.

Locating rods (4) must fit correctly in the hole of the delivery unit.

Fig 6: Identifying Service Cap And Vent Line With Seal

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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.

Fig 7: Identifying Lug And Opening On Fuel Tank

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Disconnect plug connection (1).

Installation:

Connect cable with cable tie (2).

Ensure correct routing of cables.

Fig 8: Connecting Cable With Cable Tie

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Unlock quick-connect coupling (1) of fuel feed line and pull off hose pack (2) in upward direction.

Unlock catch (4) and detach corrugated tube (3) towards top.

IMPORTANT: Do not use any tools to release the fuel feed line.

Draw off remaining fuel from surge chamber.

Carefully remove fuel pump with level sensor from fuel tank. If necessary, turn fuel pump 90° counterclockwise and tilt towards lever sensor.

Fig 9: Identifying Quick-Connect Coupling, Corrugated Tube, Hose Pack And Catch

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