13 71 190 Removing and installing/replacing left clean air pipe

Overview of Activities 

Preprocesses 

1. Removing the acoustic cover
2. Releasing left charge air hose on exhaust turbocharger

   Keyprocesses 

3. Remove left clean air pipe.
4. Install left clean air pipe

   Postprocesses 

5. Fastening left charge air hose on exhaust turbocharger
6. Install acoustic cover

Additional Information 

Overview of Tightening Torques 

General information 

Preprocesses 

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

     Courtesy of BMW OF NORTH AMERICA, INC.
2. Releasing left charge air hose on exhaust turbocharger 
   • Unfasten clamp (1)  .
   • Bend charge air pipe (2)  slightly to the side.
     Fig 2: Identifying Exhaust Turbocharger Clamp

     Courtesy of BMW OF NORTH AMERICA, INC.

     Keyprocesses 

3. Remove left clean air pipe. 
   • Version 1: 
   • 1. Unlock the retainer.
     2. At the same time, pull off connecting line from clean air pipe.
        Fig 3: Pulling High Pressure Pump Retainer

        Courtesy of BMW OF NORTH AMERICA, INC.
   • Version 2: 
   • Lightly pull line (1)  in the direction of the arrow.

     Simultaneously, unlock the latch mechanisms (2)  one after the other using a screwdriver (3)  .

     Pull off connecting line from clean air pipe.

     Fig 4: Pulling Pressure Line

     Courtesy of BMW OF NORTH AMERICA, INC.
   • Loosen screw (1)  .
   • Pull clean air pipe (2)  from exhaust turbocharger.
     Fig 5: Identifying Exhaust Turbocharger Air Pipe Screw

     Courtesy of BMW OF NORTH AMERICA, INC.
4. Install left clean air pipe 
   • Check the gasket on the clean air pipe.
   • Replace faulty gasket.
   • Position clean air pipe (2)  on exhaust turbocharger.
   • Tighten down screw (1)  .
     TIGHTENING TORQUE SPECIFICATION
     
     

     Clean air pie to turbocharger
     M6	10 Nm

     Fig 6: Identifying Exhaust Turbocharger Air Pipe Screw

     Courtesy of BMW OF NORTH AMERICA, INC.
   • Version 1: 
     NOTE: Ensure correct locking of all the retaining lugs. Retaining lugs must audibly snap into place.
   • Attach connecting line to clean air pipe.
     Fig 7: Attaching Connecting Line To Clean Air Pipe

     Courtesy of BMW OF NORTH AMERICA, INC.
   • Version 2: 
     NOTE: Ensure correct locking of all the retaining lugs. Retaining lugs must audibly snap into place.
   • Attach connecting line (1)  with the latch mechanisms (2)  to clean air pipe.
     Fig 8: Attaching Connecting Line With Latch Mechanisms To Clean Air Pipe

     Courtesy of BMW OF NORTH AMERICA, INC.

   Postprocesses 

5. Fastening left charge air hose on exhaust turbocharger 
   • Check gasket between charge air hose and exhaust turbocharger.
   • Replace faulty gasket.
   • Position charge air hose (2)  on exhaust turbocharger.
   • Tighten clamp (1)  .
     TIGHTENING TORQUE SPECIFICATION
     
     

     Charge air hose to exhaust turbocharger
     Screw clamp	3, 5 Nm

     Fig 9: Identifying Exhaust Turbocharger Clamp

     Courtesy of BMW OF NORTH AMERICA, INC.
6. Install acoustic cover 
   NOTE: Ensure correct fit!
   • Insert acoustic cover (1)  into existing rubber guides.
     Fig 10: Identifying Acoustic Cover

     Courtesy of BMW OF NORTH AMERICA, INC.