11 15 015 Remove/install/replace engine ventilation line

WARNING: This page does not describe the selected car, but rather 33 other vehicles, including the 2018 BMW M6, 2018 BMW 650i xDrive, 2018 BMW 650i, 2018 BMW 640i xDrive, and 2018 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

G10041951

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

G10041952

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

G10041953

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

G10041954

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 Of Engine Ventilation Line

G10041955

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

G10041956

Courtesy of BMW OF NORTH AMERICA, INC.