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Home >> Mini >> 2010 >> Cooper S, 2D Hatchback, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 172 (Fuel System - Repair - R57 (N14)) >> Injection Nozzle And Lines >> 13 53 180 Replacing delivery line (N14)

13 53 180 Replacing delivery line (N14)

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

Notes 

WARNING: Disconnect BATTERY NEGATIVE LEAD (risk of fire due to short circuit on dismantling).

Carry out installation work on fuel system only with coolant temperature below 40°C.

IMPORTANT: Wear full face guard and protective gloves.

Fuel can emerge spontaneously at high velocity when the high-pressure line is released!

IMPORTANT: Adhere to conditions of absolute cleanliness when working on the high-pressure 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

Necessary preliminary tasks: 

Recycling 

Fuel escapes when fuel lines are detached.

Catch and dispose of escaping fuel.

Observe country-specific waste-disposal regulations.

Removal 

NOTE: For purposes of clarity, picture shows intake manifold removed.

Slacken nut (1).

Slacken nut (2).

Remove and discard delivery line (3).

IMPORTANT: The removed pressure line must not be reused; instead, it must be replaced!
Fig 1: Identifying Delivery Line With Nuts
G04789974Courtesy of BMW OF NORTH AMERICA, INC.

Seal high-pressure rail and high-pressure pump with matching plugs (1) from special tool kit 32 1 270.

Fig 2: Sealing High Pressure Rail And High Pressure Pump Using Special Tool
G04789975Courtesy of BMW OF NORTH AMERICA, INC.

Installation of pressure rail is described separately from removal.

Installation 

Fig 3: Identifying Intake Manifold With Pressure Line And Nuts
G05528448Courtesy of BMW OF NORTH AMERICA, INC.

The procedure described below must be followed precisely (to avoid leaks): 

  1. When tightening screw connections, first tighten nut (3) and then nut (1)
  2. Pre-install new delivery line (2), only hand-tighten nuts (3 and 1).
  3. Mount special tool 13 0 220 for securing pressure line (2) to screw fastening point of intake manifold (4)

    Tightening torque 11 61 1AZ .

  4. Tighten nuts (3 and 1) according to tightening specifications 13 53 1AZ
    • Tightening torque: 

      Nuts (3 and 1) 15 Nm

    • Torque: 

      Nuts (3 and 1) 33 Nm

    • Warm-up: 

      5 minutes

    • Retighten: 

      Nuts (3 and 1) 33 Nm

  5. Remove special tool 13 0 220

    Tightening torque 11 61 1AZ .

  6. CHECK FUEL SYSTEM FOR LEAKS .

    Assemble engine.

    Check function of DME.

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