{"nhtsa_id":10149467,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-11-26","date":"2013-02-01","document_id":"M520113","mfr_campaign":null,"replaces":null,"component":"SEATS","mfr_system":null,"summary":"Front Seat Lumbar Support Not Working. The lumbar support does not function properly or at all for one or both front seats. CAUSE In most cases, the lumbar knob will rotate with limited or no movement of the lumbar support; this is due to a fractured or broken lumbar support.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10149467-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10149467-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10149467","components":[{"id":"seats","name":"Seats","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"BMW","model":"640I","year_from":2012,"year_to":2014,"match":"exact","vehicle_ids":["2012_bmw_640i","2013_bmw_640i","2014_bmw_640i"]},{"make":"BMW","model":"650I","year_from":2012,"year_to":2014,"match":"exact","vehicle_ids":["2012_bmw_650i","2013_bmw_650i","2014_bmw_650i"]},{"make":"BMW","model":"M6","year_from":2013,"year_to":2014,"match":"exact","vehicle_ids":["2013_bmw_m6","2014_bmw_m6"]}],"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":[]}