BMW X5: Removing And Installing/Replacing Fuel Pump (Petrol/Gasoline Vehicles)

Special tools required:

• 00 9 252

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! 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!

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. See 16 00 005 Draining and Filling Fuel Tank
• Remove rear seat bench.

For vehicles with 2 seat rows only:

Disconnect plug connection (1).

Remove cover (2).

Fig. 53: Identifying Plug Connection And Cover

Release nuts (1) and remove cover for service opening (2) from right side of fuel tank.

Fig. 54: Identifying Nuts And Cover For Service Opening

Disconnect plug connection (1).

Unlock quick-release fastener (2) and detach vent line.

If necessary, unlock quick-release fastener (3) for fuel feed line of independent heating and detach.

If necessary, disconnect plug connection (4) for independent heating fuel pump.

Fig. 55: Identifying Plug Connection And Quick-Release Fastener

Lever out remainder of torque break off head (1) with a screwdriver in direction of arrow.

Release hose clip of clamping ring (2) completely.

NOTE: A flexible extension can be used to release the hose clamp, e.g. special tool 00 9 252.

Press clamping ring (2) part at open end in direction of arrow and remove.

Fig. 56: Identifying Break off Head And Clamping Ring

Installation:

Make sure that service cover is installed in correct position.

Indentation (2) on clamping ring must line up with raised section (1) of tank.

Pin on service cover (3) must line up with indentation on clamping ring.

Hose clip with torque break off head (4) must always be replaced.

Tighten hose clip until torque break off head (4) breaks off.

Fig. 57: Identifying Indentation, Service Cover And Break off

Installation:

Seal (1) must always be replaced.

Fig. 58: Identifying Seal

Disconnect grounding cable (1) towards top.

IMPORTANT: Grounding cable (1) must be replaced if it has been detached once!

Fig. 59: Identifying Grounding Cable

Carefully raise service cover.

Unclip plastic tube (1).

Unlock and disconnect quick-connect coupling (2).

Remove fuel pump.

IMPORTANT: Catch escaping fuel in suitable container.

No fuel is permitted to get into the interior!

Fig. 60: Identifying Plastic Tube And Quick-Connect Coupling

With fuel pump remove, disconnect plug connection (1) and replace grounding cable (2).

Fig. 61: Identifying Plug Connection And Grounding Cable

REMOVING AND INSTALLING/REPLACING DUST FILTER FOR TANK LEAK DIAGNOSIS MODULE (DMTL)

Necessary preliminary tasks:

• Remove rear right wheel arch trim.

Unlock and disconnect quick-connect coupling (1).

Release screws (2) and remove dust filter (3).

Fig. 62: Identifying Quick-Connect Coupling, Screws And Dust Filter

REMOVING AND INSTALLING OR REPLACING CONTROL UNIT FOR ELECTRIC FUEL PUMP

IMPORTANT: Read and comply with notes on protection against electrostatic damage (ESD protection).

Necessary preliminary tasks:

• Raise luggage compartment floor trim

Release screws (1) and remove battery cover towards top.

Unlock plug connections (1) and disconnect.

Release nuts (2) and remove control unit.

(Internal nut must only be slackened).

Installation:

Tightening torque 16 14 1AZ.

Replacement:

• Carry out programming/coding.

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