{"nhtsa_id":10194302,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-05-24","date":"2021-04-01","document_id":"B520721","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM:WIRING; SEATS","mfr_system":null,"summary":"ROUTING OF DRIVER'S SEAT WIRING HARNESS: The seat wiring harness on the left front area of the driver's seat of the affected vehicles may have been routed incorrectly.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10194302-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10194302-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10194302","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"seats","name":"Seats","parent":null},{"id":"wiring","name":"Wiring and fuses","parent":"electrical"}],"codes":[],"topics":[],"vehicles":[{"make":"BMW","model":"Z4","year_from":2019,"year_to":2021,"match":"exact","vehicle_ids":["2019_bmw_z4","2020_bmw_z4","2021_bmw_z4"]}],"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":[]}