65 12 051 Removing and installing/renewing central bass speaker (under front seat)

Necessary preliminary tasks: 

• Remove front seat. See REMOVING DRIVER'S SEAT or REMOVING FRONT PASSENGER SEAT .
• Remove FRONT ENTRANCE COVER STRIP

Release screws (5).

Remove cover of bass speaker (4).

Lever out expanding rivets (1).

Release plastic nut (3).

Remove air duct cover (2).

Fig 1: Identifying Air Duct Cover, Bass Speaker Cover, Expanding Rivets, Plastic Nut, And Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Remove air duct (1) in direction of arrow.

Installation note: 

Make sure air duct (1) is correctly seated.

Fig 2: Removing Air Duct

Courtesy of BMW OF NORTH AMERICA, INC.

Fold up carpet as shown.

Unfasten plug connection (2) and disconnect.

Unscrew nuts (1).

Feed out central bass support (3).

Fig 3: Identifying Central Bass Support Plug Connection And Nuts

Courtesy of BMW OF NORTH AMERICA, INC.