{"nhtsa_id":10147750,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-11-13","date":"2015-06-01","document_id":"MC59854260","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"There is a loss of coolan tin the expansion tank with no visible traces on the vehicle. This is due to evaporation through the vent hole in the tank.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10147750-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10147750-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10147750","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"BMW","model":"BMW","year_from":null,"year_to":null,"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":[]}