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11 15 003 Replacing engine crankcase ventilation line for cylinders 5-8

WARNING: This page is about a different car, the 2013 BMW X5, 2012 BMW X5, and 2011 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary work: 

Unlock coolant hose (1) and detach from coolant pipe.

Fig 1: Identifying Coolant Hose
G09951976Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1).

Tightening torque: 17 10 3AZ .

Unclip coolant pipe (2) from holder (3).

Fig 2: Identifying Coolant Pipe With Bracket
G09951977Courtesy of BMW OF NORTH AMERICA, INC.

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 3: Identifying Charge Air Pipe & Clamp
G09951978Courtesy of BMW OF NORTH AMERICA, INC.

Version 1: 

  1. Unlock the retainer.
  2. Pull off the retainer together with the line.
    Fig 4: Pulling Off Retainer Together With Line
    G09951979Courtesy 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 5: Pulling Connecting Line Off Clean Air Pipe And Engine Crankcase Ventilation Line
G09951980Courtesy of BMW OF NORTH AMERICA, INC.

Release screw (1).

Tightening torque: 13 71 1AZ .

Pull clean air pipe (2) from exhaust turbocharger.

Fig 6: Identifying Air Pipe On Exhaust Turbocharger
G09951981Courtesy of BMW OF NORTH AMERICA, INC.
  1. Unlock the retainer.
  2. Pull off the retainer together with the line.
    Fig 7: Pulling Off Retainer Together With Line
    G09951982Courtesy 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 8: Pulling Off Retainer Together With Line
G09951983Courtesy 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 9: Removing Latch Mechanisms
G09951984Courtesy of BMW OF NORTH AMERICA, INC.