Remove engine ventilation line

NOTE: DANGER
High-voltage system.
The high-voltage system operates on the basis of hazardous, electrical voltage and high currents. Danger to life through electric shock!

All work on the high-voltage system may only be carried out by specially trained and technically experienced personnel.
For additional information see:
SAFETY INFORMATION ON HANDLING HYBRID CARS .
For additional information see:
NOTES ON REPAIR OF HIGH-VOLTAGE BATTERY UNIT .

WARNING: Hot surfaces.
Risk of burning!

Perform all work only on components that have cooled down.

Preliminary work

Refer to REMOVING THE ACOUSTIC COVER .
Refer to REMOVE RESONATOR .

Unlock connector (1) and pull off.
Unlock the top engine ventilation line (2) and pull it off the cylinder head cover.
Unlock marked locks and pull the engine ventilation line (2) off the clean air pipe to the top.

Courtesy of BMW OF NORTH AMERICA, INC.