{"nhtsa_id":10147835,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-11-13","date":"2015-11-01","document_id":"B652115","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.","mfr_system":null,"summary":"November 2015 Technical Service Speaker noise heard while traveling at highway speeds with the sunroof open. While driving at higher road speeds with the sunroof open a distortion or pulsating noise can be heard from the central bass speaker(s). Central bass speaker design","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10147835-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10147835-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10147835","components":[{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"BMW","model":"535I GRAN TURISMO","year_from":2010,"year_to":2011,"match":"base","vehicle_ids":["2010_bmw_535i","2011_bmw_535i"]},{"make":"BMW","model":"550I GRAN TURISMO","year_from":2010,"year_to":2011,"match":"base","vehicle_ids":["2010_bmw_550i","2011_bmw_550i"]},{"make":"BMW","model":"740I","year_from":2012,"year_to":2015,"match":"exact","vehicle_ids":["2012_bmw_740i","2013_bmw_740i","2014_bmw_740i","2015_bmw_740i"]},{"make":"BMW","model":"740I US","year_from":2011,"year_to":2011,"match":"base","vehicle_ids":["2011_bmw_740i"]},{"make":"BMW","model":"740LI","year_from":2011,"year_to":2011,"match":"exact","vehicle_ids":["2011_bmw_740li"]},{"make":"BMW","model":"750I","year_from":2009,"year_to":2015,"match":"exact","vehicle_ids":["2009_bmw_750i","2010_bmw_750i","2011_bmw_750i","2012_bmw_750i","2013_bmw_750i","2014_bmw_750i","2015_bmw_750i"]},{"make":"BMW","model":"750LI","year_from":2009,"year_to":2011,"match":"exact","vehicle_ids":["2009_bmw_750li","2010_bmw_750li","2011_bmw_750li"]},{"make":"BMW","model":"760LI","year_from":2010,"year_to":2011,"match":"exact","vehicle_ids":["2010_bmw_760li","2011_bmw_760li"]}],"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":[]}