{"nhtsa_id":10166228,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-10-21","date":"2019-09-01","document_id":"B170617","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"COOLANT LEAK FROM LOW TEMPERATURE COOLING CIRCUIT (N63R): Coolant leaking from the engine compartment. 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.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10166228-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10166228-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10166228","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"BMW","model":"530E","year_from":2018,"year_to":2018,"match":"exact","vehicle_ids":["2018_bmw_530e"]},{"make":"BMW","model":"530I","year_from":2017,"year_to":2018,"match":"exact","vehicle_ids":["2017_bmw_530i","2018_bmw_530i"]},{"make":"BMW","model":"540D","year_from":2018,"year_to":2018,"match":"exact","vehicle_ids":["2018_bmw_540d"]},{"make":"BMW","model":"540I","year_from":2017,"year_to":2017,"match":"exact","vehicle_ids":["2017_bmw_540i"]},{"make":"BMW","model":"740E","year_from":2017,"year_to":2017,"match":"exact","vehicle_ids":["2017_bmw_740e"]},{"make":"BMW","model":"740I","year_from":2017,"year_to":2017,"match":"exact","vehicle_ids":["2017_bmw_740i"]},{"make":"BMW","model":"740LI","year_from":2016,"year_to":2017,"match":null,"vehicle_ids":[]},{"make":"BMW","model":"750LI","year_from":2016,"year_to":2017,"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":"M760I","year_from":2017,"year_to":2017,"match":"exact","vehicle_ids":["2017_bmw_m760i"]},{"make":"BMW","model":"X5","year_from":2019,"year_to":2019,"match":"exact","vehicle_ids":["2019_bmw_x5"]},{"make":"BMW","model":"X7","year_from":2019,"year_to":2019,"match":"exact","vehicle_ids":["2019_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":[]}