Removing the left oil feed line partially

• Loosen screw (1)  .

  Courtesy of BMW OF NORTH AMERICA, INC.

• Determining the screw type and selecting the appropriate socket wrench:

  Screw type	Matching socket wrench
  Hexagon screw (3)	Commercial socket wrench (1)
  Multi-tooth screw (4)	Multi-tooth socket wrench (2)

  Courtesy of BMW OF NORTH AMERICA, INC.

• Loosen screw (1)  .

Courtesy of BMW OF NORTH AMERICA, INC.