51 41 ... Removing And Installing/Replacing Air Duct On Front Left Or Right Door Trim

Necessary preliminary tasks: 

• Remove front door trim panel  . See 51 41 000 REMOVING AND INSTALLING LEFT OR RIGHT FRONT DOOR TRIM PANEL .

Air duct: 

Remove air duct (1) from door trim (4) as follows:

1. At front pull off in direction of arrow from air inlet trim (2)
2. At rear pull off in direction of arrow from air outlet trim (3)
   Fig 1: Removing Air Duct From Door Trim

   Courtesy of BMW OF NORTH AMERICA, INC.

Air inlet trim: 

Release welded joint (1).

Lever air inlet trim (3) out of door trim (5) as follows:

• Release lock (2)
• Lever out guides (4) of air inlet trim (3) towards front
  Fig 2: Identifying Lock And Guides

  Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Following parts of air inlet trim (4) must not be damaged:

1. Guides
2. Lock

Insert air inlet trim (4) in reverse order, refer to previous step.

Air inlet trim (4) is secured by screwing a metal nut onto plastic pin (3).

Tightening torque 51 41 7AZ.  See BODY EQUIPMENT - TIGHTENING TORQUES -- ALPINA .

Fig 3: Identifying Guides And Lock

Courtesy of BMW OF NORTH AMERICA, INC.

Air outlet trim: 

Release locks (1) and lever air outlet trim (2) out of door trim (4).

Installation: 

Make sure locks (1) and guides (3) are correctly seated.

Fig 4: Releasing Locks And Lever Air Outlet Trim

Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Following parts of air outlet trim (6) must not be damaged:

1. Locks
2. Guides

1. 4 Seal
2. 5 Seal

Coding (3) must be correctly seated in air outlet trim (6).

Fig 5: Identifying Air Outlet Trim Components

Courtesy of BMW OF NORTH AMERICA, INC.