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

Overview of Activities 

Preprocesses 

1. Remove acoustic cover. See  1
2. Releasing left charge air hose on exhaust turbocharger. See  2

   Keyprocesses 

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

   Postprocesses 

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

Additional Information 

Overview of Tightening Torques 

Preprocesses 

1. Remove 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 Charge Air Pipe And 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 Connecting Line From Air Pipe

        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: Removing Left Clean Air Pipe

     Courtesy of BMW OF NORTH AMERICA, INC.
   • Release screw (1).
   • Pull clean air pipe (2) from exhaust turbocharger.
     Fig 5: Identifying 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 SPECIFICATIONS
   
   

   Clean air pie to turbocharger
   M6	10 Nm

   Fig 6: Identifying 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 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 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 SPECIFICATIONS
   
   

   Charge air hose to exhaust turbocharger
   Screw clamp	3.5 Nm

   Fig 9: Identifying Charge Air Pipe And 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.