{"nhtsa_id":10171486,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-02-18","date":"2020-01-01","document_id":"B170120","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"SERVICE ACTION: ADD SILICONE BOOSTER TO LOW TEMP COOLING SYSTEM: The coolant in the low temperature cooling system may not have sufficient coolant corrosion protection. AFFECTED VEHICLES Vehicles which require this Service Action to be completed will show it as \"Open\" when checked either in AIR the \"Service Menu\" of DCSnet (Dealer Communication System) or with ISPA NEXT.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10171486-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10171486-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10171486","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"BMW","model":"X5","year_from":2019,"year_to":2020,"match":"exact","vehicle_ids":["2019_bmw_x5","2020_bmw_x5"]},{"make":"BMW","model":"X6","year_from":2020,"year_to":2020,"match":"exact","vehicle_ids":["2020_bmw_x6"]},{"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":[]}