Convertible only:

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2006 BMW M3, 2005 BMW M3, 2004 BMW M3, 2003 BMW M3, and 2002 BMW M3. However, it is still accessible from the selected car via links, so may be relevant.

Open ski bag cover.

Press cable cover (1) together as illustrated and pull out in direction of arrow.

Fig 1: Pulling Out Cable Cover

Courtesy of BMW OF NORTH AMERICA, INC.

Unclip plug connection (1) in direction of arrow from guide (2) and disconnect.

Fig 2: Removing Subwoofer Speaker

Courtesy of BMW OF NORTH AMERICA, INC.

Unclip complete subwoofer speaker for hi-fi system (3) with special tool 00 9 340 at bottom left and remove towards rear.