If installed: Partially removing the engine ventilation line

WARNING: Hot surfaces  .
Risk of burning! 

• Perform all work only on components that have cooled down.

• Unlock the engine ventilation line (1)  in the arrow direction and disconnect it from the engine ventilation line (2)  .
• Release clamp (3)  from the cylinder head cover.
• Feed the engine ventilation line (1)  out and set it aside.

Courtesy of BMW OF NORTH AMERICA, INC.