51 11 ... Removing and installing/replacing cover for headlight cleaning system on left

Version without headlight cleaning system: 

• With bumper trim fitted, remove cover (1) with special tool 00 9 341.
• With bumper trim removed, unclip cover (1) from inside.
  Fig 1: Removing Cover With Special Tool

  Courtesy of BMW OF NORTH AMERICA, INC.

Release catch.

Remove cover (1) from carrier (2).

Fig 2: Removing Cover From Carrier

Courtesy of BMW OF NORTH AMERICA, INC.

Version with headlight cleaning system: 

Remove cover (1) from carrier (2).

If necessary, release spring (1).

If necessary, remove carrier/lever (2).

Fig 3: Removing Carrier/Lever

Courtesy of BMW OF NORTH AMERICA, INC.