{"nhtsa_id":633422,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2002-09-23","date":"2002-04-01","document_id":"SIB520302","mfr_campaign":null,"replaces":null,"component":"SEATS","mfr_system":null,"summary":"SUBJECT REGARDING CRACKING OR CLICKING NOISE FROM SPORT SEATS ON E46 PRODUCED BEFORE 9/2001. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/633422","components":[{"id":"seats","name":"Seats","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"BMW","model":"E46 SERIES","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]}],"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":[]}