Necessary preliminary tasks

• Remove COVER FOR COWL PANEL 
• Remove SPRAY NOZZLE on left/right

Release catches on grommets (1) and remove grommets (1) in outwards direction.

Release holder (2).

Remove washer fluid hose (3) and if necessary cable.

Installation: 

Grommets (1) for wiper pivots must not be damaged; if necessary, replace grommets (1).

Fig 1: Identifying Grommets With Holder And Washer Fluid Hose

Courtesy of BMW OF NORTH AMERICA, INC.