{"nhtsa_id":11014665,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-03-03","date":"2025-02-28","document_id":"B640125","mfr_campaign":null,"replaces":null,"component":"UNKNOWN OR OTHER","mfr_system":null,"summary":"The customer may hear an intermittent “humming” or “foghorn” type sound in vehicle. It sounds like a lowhum that last for only a few seconds. This can occur with the engine operating or may be heard for up to one hour after engine shut down.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11014665-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11014665-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11014665","components":[],"codes":[],"topics":[],"vehicles":[{"make":"BMW","model":"330I","year_from":2024,"year_to":2024,"match":"exact","vehicle_ids":["2024_bmw_330i"]},{"make":"BMW","model":"X3","year_from":2024,"year_to":2024,"match":"exact","vehicle_ids":["2024_bmw_x3"]},{"make":"BMW","model":"X4","year_from":2024,"year_to":2024,"match":"exact","vehicle_ids":["2024_bmw_x4"]},{"make":"BMW","model":"Z4","year_from":2023,"year_to":2023,"match":"exact","vehicle_ids":["2023_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":[]}