65 13 030 Removing and installing/replacing left speaker (woofer, A-pillar)
WARNING: This page is about a different car, the 2016 BMW Z4, 2015 BMW Z4, and 2014 BMW Z4. However, it is still accessible from the selected car via links, so may be relevant.
Necessary preliminary tasks:
Release screws (1).
Remove speaker (2) from side member (3) and disconnect associated plug connection.