Necessary preliminary tasks

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Remove FRONT SEAT
If necessary, remove PANEL FOR DOOR PILLAR (BOTTOM)

Release screws (1).

Remove central bass speaker trim (2) from floor trim (3).

Fold back floor panel (3) in direction of arrow.

Fig 1: Identifying Screws, Central Bass Speaker Trim And Floor Trim

G06177984

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Floor panel shown removed for purposes of clarity.

Unfasten plug connection (1) and disconnect.

Unscrew nuts (2).

Feed out central bass speaker (3) in direction of arrow and remove.

Fig 2: Removing Central Bass Speaker

G06177985

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Make sure seal (3) and rubber damper (4) are correctly seated on central bass speaker (1).

Insert central bass speaker (1) with guides (2) exactly in frame side member.

Fig 3: Identifying Central Bass Speaker, Guides, Seal And Rubber Damper

G04753699

Courtesy of BMW OF NORTH AMERICA, INC.