51 24 ... Removing and installing/replacing trim on shaft bearing for rear window wiper

WARNING: This page is about a different car, the 2008 BMW 535xi. However, it is still accessible from the selected car via links, so may be relevant.

Lever out covers (1).

Installation:

Catches (2) of covers (1) must not be damaged.

Fig 1: Identifying Catches Of Covers

Courtesy of BMW OF NORTH AMERICA, INC.

Release nuts (1) and remove trim (2).

Fig 2: Identifying Trim And Nuts

Courtesy of BMW OF NORTH AMERICA, INC.