{"nhtsa_id":10149489,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-11-26","date":"2013-04-01","document_id":"650613","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"CHAMP2: Integrated Cooling Fan Is Noisy Intermittently. Intermittently, the cooling fan integrated in the CHAMP2 head unit (Radio Professional) is noisy. * More noticeable after the ignition is turned off * The cooling fan runs for approx. 6 minutes (until CHAMP2 enters sleep mode), depending on the ambient temperature Settings of the fan characteristics: the fan keeps running after the ignition is turned off","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10149489-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10149489-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10149489","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"BMW","model":"528I","year_from":2012,"year_to":2014,"match":"exact","vehicle_ids":["2012_bmw_528i","2013_bmw_528i","2014_bmw_528i"]},{"make":"BMW","model":"535D","year_from":2014,"year_to":2014,"match":"exact","vehicle_ids":["2014_bmw_535d"]},{"make":"BMW","model":"535I","year_from":2012,"year_to":2014,"match":"exact","vehicle_ids":["2012_bmw_535i","2013_bmw_535i","2014_bmw_535i"]},{"make":"BMW","model":"550I","year_from":2012,"year_to":2014,"match":"exact","vehicle_ids":["2012_bmw_550i","2013_bmw_550i","2014_bmw_550i"]},{"make":"BMW","model":"ACTIVE HYBRID 5","year_from":2012,"year_to":2013,"match":"exact","vehicle_ids":["2012_bmw_activehybrid-5","2013_bmw_activehybrid-5"]},{"make":"BMW","model":"M5","year_from":2013,"year_to":2014,"match":"exact","vehicle_ids":["2013_bmw_m5","2014_bmw_m5"]},{"make":"BMW","model":"X3","year_from":2012,"year_to":2014,"match":"exact","vehicle_ids":["2012_bmw_x3","2013_bmw_x3","2014_bmw_x3"]}],"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":[]}