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

Lever Out Covers (1).

Fig 1: Levering Out Covers

Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

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

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

Fig 2: Removing Trim

Courtesy of BMW OF NORTH AMERICA, INC.