{"nhtsa_id":52261,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1997-07-17","date":"1997-01-27","document_id":"MSG1407","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT","mfr_system":null,"summary":"NEW DIFFERENTIAL HAS A FLANGE WITH 4 HOLES VERSUS THE OLD FLANGE THAT HAS 6 HOLES. *TW","document":null,"url":"https://open.wenmarpro.com/bulletins/52261","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"differential","name":"Differential","parent":"powertrain"}],"codes":[],"topics":[],"vehicles":[{"make":"BMW","model":"M3","year_from":1996,"year_to":1996,"match":"exact","vehicle_ids":["1996_bmw_m3"]}],"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":[]}