Partial uninstallation of the engine ventilation line of cylinder bank 2

Unlock the retaining clip in an upward direction using a suitable screwdriver.
Slide the engine ventilation line (2) at the back to the side.
Unlock and disconnect the tank vent line (1).
Unclip the tank ventilation line (1) in the area (2) from the holder at the clean air pipe.

Courtesy of BMW OF NORTH AMERICA, INC.