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11 15 003 Replacing Engine Crankcase Ventilation Line for Cylinders 5-8

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Necessary Preliminary Tasks: 

Release Clamp (1).

Tightening torque 13 71 8AZ .

Bend The Charge Air Pipe (2) Slightly To The Side.

Check The Gasket On The Exhaust Turbocharger.

Replacing If Necessary.

Fig 1: Identifying Charge Air Pipe and Clamp
G09873810Courtesy of BMW OF NORTH AMERICA, INC.

Version 1: 

  1. Unlock The Retainer.
  2. Pull Off The Retainer Together with the Line.
    Fig 2: Removing Left Clean Air Pipe
    G09873811Courtesy of BMW OF NORTH AMERICA, INC.

Version 2: 

Pull The Line (1) Gently In The Direction Indicated By The Arrow.

At The Same Time, Use A Screwdriver (3) To Unlock The Latch Mechanisms (2) One After The Other.

Pull The Connecting Line Off The Clean Air Pipe and Engine Crankcase Ventilation Line.

Fig 3: Removing Left Clean Air Pipe (Version 2)
G09873812Courtesy of BMW OF NORTH AMERICA, INC.

Release Screw (1).

Tightening torque 13 71 1AZ .

Pull Clean Air Pipe (2) From Exhaust Turbocharger.

Fig 4: Identifying Clean Air Pipe and Screw
G09873813Courtesy of BMW OF NORTH AMERICA, INC.
  1. Unlock The Retainer.
  2. Pull Off The Retainer Together with the Line.
    Fig 5: Removing Ventilation Line From Intake System
    G09873814Courtesy of BMW OF NORTH AMERICA, INC.

Version 1: 

  1. Unlock The Retainer.
  2. Pull Off The Retainer Together with the Line.

Extract The Crankcase Ventilation Line.

Fig 6: Removing Right Connecting Line
G09873815Courtesy of BMW OF NORTH AMERICA, INC.

Version 2: 

Pull The Line (1) Gently In The Direction Indicated By The Arrow.

At The Same Time, Use A Screwdriver (3) To Unlock The Latch Mechanisms (2) One After The Other.

Pull The Connecting Line Off The Clean Air Pipe and Engine Crankcase Ventilation Line.

Extract The Crankcase Ventilation Line.

Fig 7: Removing Right Connecting Line (Version 2)
G09873816Courtesy of BMW OF NORTH AMERICA, INC.