13 31 035 Removing and installing or replacing fuel feed line (N14)

WARNING: This page is about a different variant/trim than selected.

Special tools required:

13 0 250
13 5 281
13 5 282
32 1 270

WARNING: Disconnect BATTERY NEGATIVE TERMINAL (risk of fire due to short-circuiting on removal).
Carry out installation work on fuel system only with coolant temperature below 40°C.

IMPORTANT: Wear protective face mask.
Fuel can emerge spontaneously at high velocity when the fuel feed line is released!

IMPORTANT: Adhere to conditions of absolute cleanliness when working on the fuel system.
Introduced contaminants can cause malfunctions in the system!

Do not allow any dirt particles or foreign bodies to get into the system
Remove all traces of dirt before removing pipes or individual components
Use only fluff-free cloths
Seal all fuel system openings with protective caps or plugs

IMPORTANT: When working on the oil, coolant or fuel circuit, you must protect the alternator against contamination.
Cover alternator with suitable materials.
Failure to comply with this procedure may result in an alternator malfunction.

Necessary preliminary tasks:

Remove SOUND GENERATOR .

Recycling:

Fuel escapes when fuel lines are detached.

Catch and dispose of escaping fuel.

Observe country-specific waste-disposal regulations.

Place special tool 13 0 250 on fuel feed line (1), positioning retaining lugs of tool in openings in quick-connect coupling (4).

Secure special tool 13 0 250 by means of knurled screw (5).

WARNING: Place a cloth over fuel feed line (1) and high-pressure pump (2).

To unlock, push fuel feed line (1) towards high-pressure pump (2), then detach in direction of arrow.

Remove special tool 13 0 250 and cloth.

Close off fuel line connection of high-pressure pump with a matching plug from special tool kit 32 1 270.

Fig 1: Detaching Fuel Feed Line From High-Pressure Pump

Courtesy of BMW OF NORTH AMERICA, INC.

Close off fuel feed line with special tool 13 5 281.

Installation:

Retaining lugs of lock must not be damaged. Replace fuel line if retaining lugs are damaged.

Fuel feed line (1) must snap audibly into place.

Unlock and disconnect fuel feed line (1).

Close off fuel line (2) with special tool 13 5 282.

Fig 2: Identifying Fuel Feed Line And Fuel Line

Courtesy of BMW OF NORTH AMERICA, INC.

Close off fuel delivery line with special tools (1) 13 5 161 and (2) 13 5 162.

Fig 3: Identifying Seal Fuel Lines With Special Tools (13 5 161) And (13 5 162)

Courtesy of BMW OF NORTH AMERICA, INC.

Unlock retaining tabs (1) and remove fuel delivery line (2).

Installation note:

Ensure the fuel delivery line (2) is installed correctly (no chafing points).

Make sure retaining tabs (1) latch correctly.

Fig 4: Identifying Retaining Lugs And Fuel Feed Line

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.

Check fuel system for LEAKS .

Check function of DME.