OP, are you sure the sound comes from a speaker there?
The indicator click speaker in my 335i was in the kick panel above the pedals, under the steering column.
When I removed that panel as part of the work to hide my OBD port I had to unplug the speaker to get the trim panel out.
I forgot to plug it back in when I refitted it and I only noticed when I next indicated only to get no sound, I thought the indicators were broken.
Very strange with no click!
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