{"nhtsa_id":10163059,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-07-22","date":"2019-06-01","document_id":"B841019","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT:ELECTRICAL","mfr_system":null,"summary":"HANDS-FREE MICROPHONE: POOR VOICE INPUT QUALITY. The voice quality input is not clear or is difficult to understand from inside the vehicle.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10163059-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10163059-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10163059","components":[{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"BMW","model":"Z4","year_from":2019,"year_to":2019,"match":"exact","vehicle_ids":["2019_bmw_z4"]}],"as_of":"2026-10-19","note":"A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.","attribution":[]}