{"nhtsa_id":10146885,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-11-05","date":"2016-10-01","document_id":"B170316","mfr_campaign":null,"replaces":null,"component":"FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"\"\"\"COOLANT LEVEL LOW\"\": LEAKING EXPANSION TANK. Check Control Message (CCM): \"\"Coolant Level Low\"\" Hissing noise from the coolant expansion tank with engine at operating temperature Evidence of coolant coming out of expansion tank\"","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10146885-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10146885-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10146885","components":[{"id":"engine","name":"Engine","parent":null},{"id":"fuel-system","name":"Fuel system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"BMW","model":"750LI","year_from":2016,"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":[]}