{"nhtsa_id":10032473,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2010-03-29","date":"2008-12-01","document_id":"SB-17-001-08","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE; ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN","mfr_system":null,"summary":"BMW: SHORT CIRCUIT IN THERMOSTATIC SWITCH. DEFECTIVE THERMOSTATIC SWITCHES CAN HAVE THE FOLLOWING EFFECTS-FAN RUNS ALL THE TIME, BATTERY IS DRAINED AND RUNS FLAT, FAN IS NOT ACTUATED WHEN NEEDED AND ENGINE OVERHEATS. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10032473","components":[{"id":"engine","name":"Engine","parent":null},{"id":"cooling-fan","name":"Cooling fan","parent":"engine"},{"id":"cooling-system","name":"Cooling system","parent":"engine"}],"codes":[],"topics":[],"vehicles":[{"make":"BMW","model":"G 450 X","year_from":2009,"year_to":2009,"match":"exact","vehicle_ids":["2009_bmw_g-450-x"]}],"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":[]}