Home >> BMW >> 2018 >> 740i >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> Communication Systems -- Repair (G12) >> 84 31 Hands-Free System (Microphones, Speaker) >> 84 31 550 Removing and installing/replacing microphone on the driver's side (after vehicle diagnosis) (all 7' series models 2016-2022) >> Removing the left hands-free microphone