65 12 051 Removing and installing/renewing central bass speaker-driver's side- (under front seat)

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Necessary preliminary tasks:

Remove front seat. See 52 14 001 REMOVING AND INSTALLING FRONT SEAT, DRIVER'S SIDE (NORMAL/ELECTRIC) or 52 14 002 REMOVING AND INSTALLING FRONT PASSENGER SEAT (NORMAL/ELECTRIC) .
Remove front entrance cover strip. See 51 47 000 REMOVING AND INSTALLING/REPLACING FRONT (INSIDE) LEFT OR RIGHT 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, Screws

G10048889

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

G10048890

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

G09929595

Courtesy of BMW OF NORTH AMERICA, INC.