51 21 280 Removing And Installing Or Replacing Door Brake On Left Or Right Front Door

Necessary preliminary tasks: 

• Close door windows
• Remove sound insulation  in front area

Release screw (1).

Tightening torque, see 51 21 3AZ in 51 21 FRONT DOOR LOCKS .

Unfasten screws (2).

Tightening torque, see 51 21 4AZ in 51 21 FRONT DOOR LOCKS .

Remove seal (3).

Installation: 

Seal (3) must not be damaged.

Remove door retainer (1) via cutout (2).

Installation: 

Following parts of door retainer (3) must not be damaged:

1. Hinge
2. Thread
   Fig 3: Identifying Hinge & Thread

   Courtesy of BMW OF NORTH AMERICA, INC.