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 only  

Lever out seal (1).

Unfasten screws (2 and 3).

Installation: 

E60/E61 tightening torque:

1. (2) 51 21 9AZ  , See 21 FRONT DOOR LOCKS, HANDLE .
2. (3) 51 21 10AZ  , See 21 FRONT DOOR LOCKS, HANDLE .
   Fig 1: Identifying Seal And Screws

   Courtesy of BMW OF NORTH AMERICA, INC.

E70 tightening torque:

1. (2) 51 21 3AZ  , See 21 FRONT DOOR LOCKS, HANDLE .
2. (3) 51 21 4AZ  , See 21 FRONT DOOR LOCKS, HANDLE .

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

Installation: 

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

1. Hinge
2. Thread
   Fig 3: Identifying Parts Of Door Retainer

   Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Seal (1) must not be damaged.