{"nhtsa_id":10032990,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2010-06-21","date":"2010-04-01","document_id":"SIB-12-15-05","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING:ENGINE","mfr_system":null,"summary":"BMW: DIAGNOSIS OF DME ME 9.2 MAP THERMOSTAT FAULT 2EF4/279B. THE SERVICE ENGINE SOON LIGHT ILLUMINATED. THE ENGINE DOES NOT OVERHEAT AND THE MAP THERMOSTAT OPERATES PROPERLY. POSSIBLE CAUSES ARE DETERIORATION OF COOLANT QUALITY; INCREASED CONTACT RESISTANCE BETWEEN THE THERMOSTAT TEMPERATURE SENSOR, THE ENGINE WIRING HARNESS AND THE DME CONNECTOR; INTERNAL DEFECT OF A MAP COOLING THERMOSTAT. *PE UPDATED 11/17/10. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10032990","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"BMW","model":"6 SERIES","year_from":1985,"year_to":2005,"match":null,"vehicle_ids":[]},{"make":"BMW","model":"7 SERIES","year_from":1994,"year_to":2005,"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":[]}