Removal the microphone unit in the front roof module "R164"
The microphone unit in the front ceiling module "R164" in the front ceiling light, interior lighting "W1" can only be replaced as an assembly. Switch off all electrical consumers. Switch off the ignition. Remove the front ceiling light "W1". Unclip connector "5" on the front ceiling light holder "W1" and disconnect the connector. Separately remove microphones "3" and "4" from the mount.

Installation in reverse order.
(This article was previously published on the resource: «Audimanual.ru»)
