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

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2016 BMW 328i xDrive, 2016 BMW 328d xDrive, 2015 BMW 328i xDrive, 2015 BMW 328d xDrive, and 2014 BMW 328i xDrive. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Remove front seat . See 52 13 001 REMOVING AND INSTALLING FRONT SEAT, DRIVER'S SIDE (NORMAL/MANUAL) , 52 14 001 REMOVING AND INSTALLING LEFT OR RIGHT FRONT SEAT, DRIVER'S SIDE, (NORMAL/ELECTRIC) or 52 14 002 REMOVING AND INSTALLING FRONT SEAT (NORMAL/ELECTRIC) ON THE PASSENGER'S SIDE FROM LEFT OR RIGHT .
Remove DOOR SILL COVER STRIP

Release screws (1).

Remove cover of bass speaker (2).

Fig 1: Identifying Bass Speaker Cover Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Fold up the carpet (1) as shown.

Unfasten plug connection (3) and disconnect.

Unfasten screws (2).

Feed out central bass speaker support (4).

Fig 2: Identifying Central Bass Speaker Support Plug Connection And Screws

Courtesy of BMW OF NORTH AMERICA, INC.