Remove engine ventilation line

Preliminary work 

• Refer to REMOVING THE ACOUSTIC COVER .

• Unlock and release the plug connection (1).
• Unlock the locking mechanisms (2) of the top engine ventilation line (4) and detach it from the cylinder head cover.
• Unlock the locking mechanisms (2) of the engine ventilation line (4) upwards from the clean air pipe and release.
• Feed out the engine ventilation line (4) and remove.

  Courtesy of BMW OF NORTH AMERICA, INC.