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.
Present - '06 E90 330i sport; Past - '04 E46 ZHP, '00 E46 328i
www.bmwcca.org member #388003 - Use me as a referral & you could win a one day ///M Driving School!!