{"nhtsa_id":10034668,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2011-01-03","date":"2010-07-01","document_id":"SI-B11-09-08","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT:APPLIANCE:AIR CONDITIONER; ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR; ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS; STEERING:HYDRAULIC POWER ASSIST:PUMP","mfr_system":null,"summary":"BMW: ALTERNATOR DRIVE BELT BROKEN. THE MODELS UTILIZE A SINGLE SERPENTINE DRIVE BELT FOR THE POWER STEERING PUMP, ALTERNATOR, AND AIR CONDITIONER COMPRESSOR. DURING NORMAL DRIVING, THE FRONT ENGINE MOUNTS ALLOW THE ENGINE TO MOVE SLIGHTLY ON THE FRONT AXLE CARRIER. HOWEVER, UNDER EXTREME CONDITIONS, SUCH AS DRIVING AT HIGH RATES OF SPEED OVER CURBS OR SPEED BUMPS, THE ENGINE MOVEMENT CAN RESULT IN THE SERPENTINE BELT OR POWER STEERING PUMP PULLEY CONTACTING THE FRONT ENGINE CARRIER. IF THIS OCCURS, THE BELT AND/OR PUMP PULLEY COULD BE DAMAGED. NO MODEL YEARS LISTED. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10034668","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"hvac","name":"Heating and air conditioning","parent":null},{"id":"steering","name":"Steering","parent":null},{"id":"alternator","name":"Alternator","parent":"electrical"},{"id":"drive-belt","name":"Drive belts","parent":"engine"},{"id":"power-steering","name":"Power steering","parent":"steering"}],"codes":[],"topics":[],"vehicles":[{"make":"BMW","model":"1 SERIES","year_from":2011,"year_to":2011,"match":null,"vehicle_ids":[]},{"make":"BMW","model":"3 SERIES","year_from":2010,"year_to":2010,"match":"curated","vehicle_ids":["2010_bmw_328i"]},{"make":"BMW","model":"3 SERIES","year_from":2010,"year_to":2010,"match":"curated","vehicle_ids":["2010_bmw_335i"]},{"make":"BMW","model":"3 SERIES","year_from":2010,"year_to":2010,"match":"curated","vehicle_ids":["2010_bmw_335d"]}],"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":[]}