51 22 351 Replacing window cavity seal on inner left or right rear door

Necessary preliminary tasks: 

• Remove rear door trim panel, see 51 42 000 Removing and installing (replacing) rear left or right door trim panel .

Pull window cavity seal (1) off rear door.

Installation: 

If necessary, replace faulty retainer (2).

Fig 1: Identifying Window Cavity Seal And Retainer

Courtesy of BMW OF NORTH AMERICA, INC.