{"nhtsa_id":10152673,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-01-07","date":"2018-11-01","document_id":"B640518","mfr_campaign":null,"replaces":null,"component":"VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR","mfr_system":null,"summary":"EXCESS NOISE WHEN DEFROST BLOWER IS AT MAX. Loud, rushing, wind noise is heard from ventilation outlets when defroster blower is set at maximum speed. Software error in IHKA (Automatic Climate Control) module. Ventilation duct noise.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10152673-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10152673-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10152673","components":[{"id":"visibility","name":"Glass, wipers and mirrors","parent":null},{"id":"hvac","name":"Heating and air conditioning","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"BMW","model":"X3","year_from":2018,"year_to":2019,"match":"exact","vehicle_ids":["2018_bmw_x3","2019_bmw_x3"]}],"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":[]}