51 22 300 Removing and installing/replacing window cavity cover strip on rear door on left or right

Stick adhesive tape (2) below window cavity cover strip (1) (risk of damage).

Fig 1: Sticking Adhesive Tape Below Window Cavity Cover Strip

Courtesy of BMW OF NORTH AMERICA, INC.

Using special tool 00 9 311 (beginning at front proceeding to rear), lever out window cavity cover strip (1).

Installation 

1. Apply a thin coat of turpentine substitute to window cavity cover strip (1).
2. Window cavity cover strip (1) must be flush with door edge at front and rear.

Fig 2: Applying Thin Coat Of Turpentine Substitute To Window Cavity Cover Strip

Courtesy of BMW OF NORTH AMERICA, INC.