{"nhtsa_id":10146680,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-11-05","date":"2017-08-01","document_id":"B520417","mfr_campaign":null,"replaces":null,"component":"SEATS","mfr_system":null,"summary":"BACKREST NOISES WHEN UNDER LOAD. Pop noise coming from seat backrest when pressure exerted toward rear or while pulling away from a stop. Friction between top right rivet holding lordosis (back Lumbar support) valve block and backrest cushion spring.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10146680-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10146680-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10146680","components":[{"id":"seats","name":"Seats","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"BMW","model":"525D XDRIVE","year_from":2014,"year_to":2014,"match":null,"vehicle_ids":[]},{"make":"BMW","model":"528I","year_from":2011,"year_to":2016,"match":"exact","vehicle_ids":["2011_bmw_528i","2012_bmw_528i","2013_bmw_528i","2014_bmw_528i","2015_bmw_528i","2016_bmw_528i"]},{"make":"BMW","model":"535D","year_from":2014,"year_to":2016,"match":"exact","vehicle_ids":["2014_bmw_535d","2015_bmw_535d","2016_bmw_535d"]},{"make":"BMW","model":"535I","year_from":2011,"year_to":2017,"match":"exact","vehicle_ids":["2011_bmw_535i","2012_bmw_535i","2013_bmw_535i","2014_bmw_535i","2015_bmw_535i","2016_bmw_535i","2017_bmw_535i"]},{"make":"BMW","model":"535I GRAN TURISMO","year_from":2010,"year_to":2012,"match":"base","vehicle_ids":["2010_bmw_535i","2011_bmw_535i","2012_bmw_535i"]},{"make":"BMW","model":"535I US","year_from":2011,"year_to":2011,"match":"base","vehicle_ids":["2011_bmw_535i"]},{"make":"BMW","model":"550I","year_from":2011,"year_to":2017,"match":"exact","vehicle_ids":["2011_bmw_550i","2012_bmw_550i","2013_bmw_550i","2014_bmw_550i","2015_bmw_550i","2016_bmw_550i","2017_bmw_550i"]},{"make":"BMW","model":"550I GRAN TURISMO","year_from":2010,"year_to":2012,"match":"base","vehicle_ids":["2010_bmw_550i","2011_bmw_550i","2012_bmw_550i"]},{"make":"BMW","model":"ACTIVE HYBRID 3","year_from":2012,"year_to":2012,"match":null,"vehicle_ids":[]},{"make":"BMW","model":"ACTIVE HYBRID 5","year_from":2013,"year_to":2013,"match":"exact","vehicle_ids":["2013_bmw_activehybrid-5"]},{"make":"BMW","model":"M5","year_from":2013,"year_to":2016,"match":"exact","vehicle_ids":["2013_bmw_m5","2014_bmw_m5","2015_bmw_m5","2016_bmw_m5"]},{"make":"BMW","model":"R1200 S ADVENTURE","year_from":2014,"year_to":2016,"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":[]}