13 53 332 Replacing fuel feed line

Overview of Activities 

Preprocesses 

1. Remove luggage compartment floor trim panel. See  1
2. Disconnect battery ground cable. See  2
3. Remove acoustic cover. See  3
4. Remove left intake silencer housing. See  4
5. Remove left charge air line. See  5
6. Remove right charge-air line. See  6
7. Remove clean air pipe on left and right. See  7

   Keyprocesses 

8. Remove fuel delivery line. See  8
9. Installing fuel delivery line. See  9

   Postprocesses 

10. Installing the clean air pipe on the left and right. See  10
11. Install left charge air line. See  11
12. Install right charge air line. See  12
13. Install left intake silencer housing. See  13
14. Connecting the battery ground cable. See  14
15. Check function of DME. See  15
16. Check fuel system for tightness. See  16
17. Install acoustic cover. See  17
18. Install luggage compartment floor trim panel. See  18

Additional Information 

Overview of Tightening Torques 

Overview Special Tool 

0 496 565 (13 5 160) Fastener 

Fig 1: Identifying Fastener (13 5 160)

Courtesy of BMW OF NORTH AMERICA, INC.

Preprocesses 

1. Remove luggage compartment floor trim panel 
   • Fold up luggage compartment floor trim panel (1)  .
   • Release plastic nuts (2)  .
   • Remove luggage compartment floor trim panel (1)  in direction of arrow.
     Fig 2: Removing Luggage Compartment Floor Trim Panel

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2. Disconnect battery ground cable 

   Prerequisite 

   Ignition switched off.

   NOTE: For more information see: 61 20... Safety information for handling the battery, 00... Notes on disconnecting and connecting the battery, 61 12... Notes on the intelligent battery sensor (IBS)
   • Slacken nut (1)  .
     NOTE: Risk of damage! Do not under any circumstances use force to pull off negative terminal.
   • Pull off battery ground cable with IBS towards the top, put to one side and secure.
     Fig 3: Identifying Battery Nut

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3. Remove acoustic cover 
   • Raise acoustic cover (1)  .
   • Remove acoustic cover (1)  in the direction of travel.
     Fig 4: Identifying Acoustic Cover

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4. Remove left intake silencer housing 
   • Unfasten clamp (1)  .
   • Disconnect connector (2)  at the hot film air mass meter.
   • Release clamp (3)  .
   • Unclip oxygen sensor cable from intake silencer housing.
   • Detach the intake air filter housing from the intake port and pull off upwards.
     Fig 5: Identifying Clamps and Connector

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5. Remove left charge air line 
   • Unfasten clamp (1)  .
   • Unfasten clamp (2)  .
   • Remove left charge air duct (3)  .
     Fig 6: Identifying Left Charge Air Duct And Clamp

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6. Remove right charge-air line 
   • Unfasten clamp (1)  .
   • Unfasten clamp (2)  .
   • Remove right charge air line (3)  .
     Fig 7: Identifying Right Charge Air Duct And Clamp

     Courtesy of BMW OF NORTH AMERICA, INC.
7. Remove clean air pipe on left and right 
   NOTE: Description is for left component only. Procedure on the right side is identical.
   • Pull off hoses (1)  from clean air pipe.
   • Release screw (2)  .
   • Pull off clean air pipe (3)  in direction of travel from turbocharger.
     Fig 8: Identifying Clean-Air Pipe, Hoses And Screw

     Courtesy of BMW OF NORTH AMERICA, INC.

   Keyprocesses 

8. Remove fuel delivery line 
   WARNING: Danger of injury on releasing high pressure line!
   On releasing high pressure line, fuel may emerge at high speed.

   • Observe warning on cylinder head cover! Carry out installation work on fuel system only at a coolant temperature below 40°C! Wear full face guard and protective gloves.
   NOTE: Risk of damage! Do not allow any dirt particles or foreign bodies to get into the system. Remove all traces of contamination before removing lines or separate components. Use only lint-free cloths. Seal all fuel system openings with protective caps or plugs. Introduced contaminants can cause malfunctions in the system.
   • Unlock and disconnect fuel delivery line (1)  .
   • Unlock connector (2)  on fuel low-pressure sensor and disconnect.
   • Loosen fuel delivery line (3)  on high pressure pump.
   • Unfasten screws (4)  .
   • Catch and dispose of escaping fuel.
     Fig 9: Identifying Fuel Feed Lines, Plug, And Screws

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   • Seal fuel lines (1)  and (2)  with special tool (1) 0 496 565 (13 5 160)  .
     Fig 10: Identifying Seal Fuel Lines With Special Tools (13 5 160 And 13 5 162)

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   • Loosen fuel delivery line (1)  on high pressure pump.
   • Catch and dispose of escaping fuel.
     Fig 11: Identifying High-Pressure Pump Fuel Feed Line

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   • Loosen nuts (1)  on retaining clips.
   • Feed out and remove fuel feed line (2)  .
     Fig 12: Identifying Fuel Feed Line And Nuts

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9. Installing fuel delivery line 
   • Feed in and position fuel delivery line (2)  .
   • Manually tighten nuts (1)  on the retaining clips.
     Fig 13: Identifying Fuel Feed Line And Nuts

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   • Remove special tool (1)  and (2) 0 496 565 (13 5 160)  .
     Fig 14: Identifying Seal Fuel Lines With Special Tools (13 5 160 And 13 5 162)

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   • Connect and lock fuel delivery line (1)  .
   • Connect connector (2)  to fuel low-pressure sensor.
   • Manually tighten screws (4)  on cylinder head.
   • Manually tighten fuel delivery line (3)  to high pressure pump.
     Fig 15: Identifying Fuel Feed Lines, Plug, And Screws

     Courtesy of BMW OF NORTH AMERICA, INC.
   • Manually tighten fuel delivery line (1)  to high pressure pump.
   • Tighten fuel delivery line (1)  to high pressure pump.
     TIGHTENING TORQUE SPECIFICATIONS
     
     

     Feed line to high pressure pump, cylinder head, retaining clip
     M14, feed line to high pressure pump	Initial torque	10 Nm
     Manually tighten feed line to high pressure pump, cylinder head and retaining tab or loosen beforehand.	Final torque (retorque twice)	30 Nm
     M6, feed line to cylinder head	Final torque	10 Nm
     Manually tighten feed line to high pressure pump, cylinder head and retaining tab or loosen beforehand.
     M6, feed line to retaining clip	Final torque	10 Nm
     Manually tighten feed line to high pressure pump, cylinder head and retaining tab or loosen beforehand.

     Fig 16: Identifying High-Pressure Pump Fuel Feed Line

     Courtesy of BMW OF NORTH AMERICA, INC.
   • Tighten fuel delivery line (3)  to high pressure pump. Tighten screws (4)  to cylinder head.
     Fig 17: Identifying Fuel Feed Lines, Plug, And Screws

     Courtesy of BMW OF NORTH AMERICA, INC.
     TIGHTENING TORQUE SPECIFICATIONS
     
     

     Feed line to high pressure pump, cylinder head, retaining clip
     M14, feed line to high pressure pump	Initial torque	10 Nm
     Manually tighten feed line to high pressure pump, cylinder head and retaining tab or loosen beforehand.	Final torque (retorque twice)	30 Nm
     M6, feed line to cylinder head	Final torque	10 Nm
     Manually tighten feed line to high pressure pump, cylinder head and retaining tab or loosen beforehand.
     M6, feed line to retaining clip	Final torque	10 Nm
     Manually tighten feed line to high pressure pump, cylinder head and retaining tab or loosen beforehand.

   • Tighten nuts (1)  to retaining clips of the feed line (2)  .
     TIGHTENING TORQUE SPECIFICATIONS
     
     

     Feed line to high pressure pump, cylinder head, retaining clip
     M14, feed line to high pressure pump	Initial torque	10 Nm
     Manually tighten feed line to high pressure pump, cylinder head and retaining tab or loosen beforehand.	Final torque (retorque twice)	30 Nm
     M6, feed line to cylinder head	Final torque	10 Nm
     Manually tighten feed line to high pressure pump, cylinder head and retaining tab or loosen beforehand.
     M6, feed line to retaining clip	Final torque	10 Nm
     Manually tighten feed line to high pressure pump, cylinder head and retaining tab or loosen beforehand.

     Fig 18: Identifying Fuel Feed Line And Nuts

     Courtesy of BMW OF NORTH AMERICA, INC.

   Postprocesses 

10. Installing the clean air pipe on the left and right 
    NOTE: Description is for left component only. Procedure on the right side is identical.
    • Connect clean air pipe (3)  to exhaust turbocharger.
    • Tighten down screw (2)  .
      TIGHTENING TORQUE SPECIFICATIONS
      
      

      Clean air pipe to exhaust turbocharger
      M6	10 Nm

    • Connect hoses (1)  of clean air pipe.
      Fig 19: Identifying Clean-Air Pipe, Hoses And Screw

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11. Install left charge air line 
    • Check gasket on exhaust turbocharger and renew if necessary.
    • Install left charge air line (3)  .
    • Tighten clamp (2)  .
      TIGHTENING TORQUE SPECIFICATIONS
      
      

      Charge air line to charge air cooler
      Replace clamp	3.5 Nm

    • Tighten clamp (1).
      TIGHTENING TORQUE SPECIFICATIONS
      
      

      Charge air line to exhaust turbocharger
      Replace clamp	3.5 Nm

      Fig 20: Identifying Left Charge Air Duct And Clamp

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12. Install right charge air line 
    • Check gasket on exhaust turbocharger and renew if necessary.
    • Install right charge air line (3).
    • Tighten clamp (2).
      TIGHTENING TORQUE SPECIFICATIONS
      
      

      Charge air line to charge air cooler
      Replace clamp	3.5 Nm

    • Tighten clamp (1).
      Fig 21: Identifying Right Charge Air Duct And Clamp

      Courtesy of BMW OF NORTH AMERICA, INC.
      TIGHTENING TORQUE SPECIFICATIONS
      
      

      Charge air line to exhaust turbocharger
      Replace clamp	3.5 Nm

13. Install left intake silencer housing 
    • Connect intake silencer housing on intake port.
    • Clip oxygen sensor cable in on intake silencer housing.
    • Install clamp (3).
    • Connect connector (2) at the hot film air mass meter.
    • Tighten clamp (1).
      TIGHTENING TORQUE SPECIFICATIONS
      
      

      Clamp to air duct
      	3 Nm

      Fig 22: Identifying Hot Film Air Mass Meter Connector And Clamp

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14. Connecting the battery ground cable 
    NOTE: For more information see: 61 20... Safety information for handling the battery, 00... Notes on disconnecting and connecting the battery, 61 12... Notes on the intelligent battery sensor (IBS)
    • Position battery earth lead with IBS on negative terminal.
    • Tighten nut (1).
      TIGHTENING TORQUE SPECIFICATIONS
      
      

      Battery earth lead
      M6	5 Nm

      Fig 23: Identifying Battery Nut

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15. Check function of DME  .
16. Check fuel system for tightness 

    Check 

    • Check bolting points for tightness.

    desired state 

    Result 

    » leaks

    Measure 

    • Slacken all screw connections and perform tightening sequence again.
17. Install acoustic cover 
    • Insert acoustic cover (1) into existing rubber guides.
      Fig 24: Identifying Acoustic Cover

      Courtesy of BMW OF NORTH AMERICA, INC.
18. Install luggage compartment floor trim panel 
    • Place luggage compartment floor trim panel (1) in the direction opposite to arrow.
    • Fold back luggage compartment floor trim panel (1) as shown.
    • Tighten plastic nuts (2).
      TIGHTENING TORQUE SPECIFICATIONS
      
      

      Luggage compartment floor trim panel to body
      	3 Nm

      Fig 25: Removing Luggage Compartment Floor Trim Panel

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    • Fold down luggage compartment floor trim panel (1).
    • Close tailgate.