{"nhtsa_id":10151074,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-12-10","date":"2016-02-01","document_id":"B120114","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL; ELECTRICAL SYSTEM","mfr_system":null,"summary":"\"SI B12 01 14 February 2016 Electrical Systems Technical Service This Service Information bulletin supersedes SI B12 01 14 dated April 2014. Due to an error in the DME (Digital Motor Electronics) software, the required oxygen sensor onboard diagnostics (OBD) is not functioning. As a result, the \"\"Readiness bit\"\" confirming a successful completion of the oxygen sensor diagnostics will not be set. In order to remedy the situation, BMW is conducting a Voluntary Emissions Recall Campaign to reprogram the control units (DME) on all affected vehicles.\"","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10151074-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10151074-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10151074","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"BMW","model":"Z4","year_from":2012,"year_to":2016,"match":"exact","vehicle_ids":["2012_bmw_z4","2013_bmw_z4","2014_bmw_z4","2015_bmw_z4","2016_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":[]}