Not for the microphones. Those are right over your head. Probably for the motion sensor for the alarm system. That's what those are in the center headliner fixture in the E9x.
Then and Than are different words and they are not interchangeable.
"People sleep peaceably in their beds at night only because rough men stand ready to do violence on their behalf." -- Geo. Orwell
2006 330i Sonora w/ ActiveAutoWerke flash tune :-)
2004 330i ZHP Imola/NB - missed
2000 328i TiAg - gone but not forgotten
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