{"nhtsa_id":10031664,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2010-01-07","date":"2009-09-01","document_id":"SI-B12-22-09","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE; ELECTRICAL SYSTEM","mfr_system":null,"summary":"BMW: THE SPARK PLUGS IN THE AFFECTED SUVS MAY NOT ADHERE TO THE DURABILITY REQUIREMENTS. MICROCRACKS IN THE CERAMIC INSULATOR OF THE SPARK PLUG MAY OCCUR, WHICH COULD RESULT IN ENGINE MISFIRING AND ROUGH RUNNING, ESPECIALLY AT HIGHER ENGINE SPEEDS. 750I, 750LI, X5 M, AND X6 M VEHICLES. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10031664","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"BMW","model":"X5","year_from":2009,"year_to":2009,"match":"exact","vehicle_ids":["2009_bmw_x5"]},{"make":"BMW","model":"X6","year_from":2009,"year_to":2009,"match":"exact","vehicle_ids":["2009_bmw_x6"]}],"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":[]}