11 15 015 Remove/install/replace engine ventilation line

WARNING: This page does not describe the selected car, but rather 27 other vehicles, including the 2017 BMW M6, 2017 BMW 650i xDrive, 2017 BMW 650i, 2017 BMW 640i xDrive, and 2017 BMW 640i. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary work:

Remove BOTH INTAKE SILENCER HOUSINGS
Release the CONNECTION LINE ON THE VENTILATION LINE

Unclip the connector (1) for the oxygen sensors from the holder.

Unlock and disconnect the connector (1) for the oxygen sensors.

Fig 1: Identifying Oxygen Sensor Connectors

G10056124

Courtesy of BMW OF NORTH AMERICA, INC.

Release screw (1).

Release both screw bosses (2).

Feed out carrier plate (3).

Unclip the cable for the oxygen sensors at the marked area.

Fig 2: Identifying Carrier Plate, Screw, And Screw Bosses

G10056125

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Both ventilation lines (1) and the purge air line (2) form a single unit and can only be removed or replaced together.

Fig 3: Identifying Purge Air Line And Ventilation Lines

G10056126

Courtesy of BMW OF NORTH AMERICA, INC.

Use a screwdriver (3) to unlock the latch mechanisms (2) one after the other.

Remove the ventilation line (1) at the same time.

Fig 4: Removing Ventilation Line

G10056127

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: The operation describes the left side. The right side is identical to the left side.

Release screws (1).

Tightening torque 11 12 10AZ .

Fig 5: Identifying Screws

G10056128

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: The operation describes the left side. The right side is identical to the left side.

IMPORTANT: This is a bayonet fitting!

Turn the ventilation line (1) in direction of arrow and afterwards pull it off from the cylinder head cover.

Fig 6: Removing Ventilation Line

G10056129

Courtesy of BMW OF NORTH AMERICA, INC.