{"nhtsa_id":50899,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1997-06-17","date":"1996-10-04","document_id":"MSG0149","mfr_campaign":null,"replaces":null,"component":"EXTERIOR LIGHTING:TURN SIGNAL:SWITCH","mfr_system":null,"summary":"VEHICLES MAY HAVE A PROBLEM WITH THE DIMMER CIRCUIT - VEHICLES RELEASED FROM THE VPCS STARTING 10-04-96 HAVE DISABLED DIMMER SWITCHES. *TW","document":null,"url":"https://open.wenmarpro.com/bulletins/50899","components":[{"id":"lighting","name":"Lighting","parent":null},{"id":"turn-signal","name":"Turn signals","parent":"lighting"}],"codes":[],"topics":[],"vehicles":[{"make":"BMW","model":"528I","year_from":1997,"year_to":1997,"match":"exact","vehicle_ids":["1997_bmw_528i"]},{"make":"BMW","model":"740I","year_from":1997,"year_to":1997,"match":"exact","vehicle_ids":["1997_bmw_740i"]},{"make":"BMW","model":"740IL","year_from":1997,"year_to":1997,"match":"exact","vehicle_ids":["1997_bmw_740il"]},{"make":"BMW","model":"750IL","year_from":1997,"year_to":1997,"match":"exact","vehicle_ids":["1997_bmw_750il"]}],"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":[]}