{"nhtsa_id":10174007,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-04-20","date":"2020-04-01","document_id":"B170617","mfr_campaign":null,"replaces":null,"component":"FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"COOLANT LEAK FROM LOW TEMPERATURE COOLING CIRCUIT (N63R): This Service Information Bulletin (Revision 5) replaces SI B17 06 17 dated June 2019. Traces of coolant leaking from the expansion tank of the low temperature cooling system. Coolant in the low temperature cooling circuit may also have an acrid smell and discoloration (1). Aluminum corrosion in the charge air intercoolers or in the radiator for the low temperature cooling is causing an unfavorable chemical reaction to the coolant.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10174007-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10174007-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10174007","components":[{"id":"engine","name":"Engine","parent":null},{"id":"fuel-system","name":"Fuel system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"BMW","model":"530E","year_from":2018,"year_to":2020,"match":"exact","vehicle_ids":["2018_bmw_530e","2019_bmw_530e","2020_bmw_530e"]},{"make":"BMW","model":"530I","year_from":2017,"year_to":2020,"match":"exact","vehicle_ids":["2017_bmw_530i","2018_bmw_530i","2019_bmw_530i","2020_bmw_530i"]},{"make":"BMW","model":"540D","year_from":2018,"year_to":2019,"match":"exact","vehicle_ids":["2018_bmw_540d","2019_bmw_540d"]},{"make":"BMW","model":"540D","year_from":2020,"year_to":2020,"match":null,"vehicle_ids":[]},{"make":"BMW","model":"540I","year_from":2017,"year_to":2020,"match":"exact","vehicle_ids":["2017_bmw_540i","2018_bmw_540i","2019_bmw_540i","2020_bmw_540i"]},{"make":"BMW","model":"740E","year_from":2017,"year_to":2019,"match":"exact","vehicle_ids":["2017_bmw_740e","2018_bmw_740e","2019_bmw_740e"]},{"make":"BMW","model":"740I","year_from":2017,"year_to":2020,"match":"exact","vehicle_ids":["2017_bmw_740i","2018_bmw_740i","2019_bmw_740i","2020_bmw_740i"]},{"make":"BMW","model":"740LI","year_from":2016,"year_to":2017,"match":null,"vehicle_ids":[]},{"make":"BMW","model":"745E","year_from":2020,"year_to":2020,"match":"exact","vehicle_ids":["2020_bmw_745e"]},{"make":"BMW","model":"750I","year_from":2018,"year_to":2019,"match":"exact","vehicle_ids":["2018_bmw_750i","2019_bmw_750i"]},{"make":"BMW","model":"750LI","year_from":2016,"year_to":2019,"match":null,"vehicle_ids":[]},{"make":"BMW","model":"B7 ALPINA","year_from":2018,"year_to":2020,"match":null,"vehicle_ids":[]},{"make":"BMW","model":"C 400 X","year_from":2018,"year_to":2018,"match":null,"vehicle_ids":[]},{"make":"BMW","model":"F800 R","year_from":2017,"year_to":2017,"match":"exact","vehicle_ids":["2017_bmw_f-800-r"]},{"make":"BMW","model":"M550I","year_from":2017,"year_to":2017,"match":null,"vehicle_ids":[]},{"make":"BMW","model":"M550I","year_from":2018,"year_to":2020,"match":"exact","vehicle_ids":["2018_bmw_m550i","2019_bmw_m550i","2020_bmw_m550i"]},{"make":"BMW","model":"M760I","year_from":2017,"year_to":2020,"match":"exact","vehicle_ids":["2017_bmw_m760i","2018_bmw_m760i","2019_bmw_m760i","2020_bmw_m760i"]},{"make":"BMW","model":"X5","year_from":2019,"year_to":2020,"match":"exact","vehicle_ids":["2019_bmw_x5","2020_bmw_x5"]},{"make":"BMW","model":"X7","year_from":2019,"year_to":2020,"match":"exact","vehicle_ids":["2019_bmw_x7","2020_bmw_x7"]}],"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":[]}