{"nhtsa_id":10150164,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-12-03","date":"2013-11-01","document_id":"122113","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR","mfr_system":null,"summary":"Service Action: Program Control Units (Direct Ozone Reduction). The DME diagnostic for direct ozone reduction, by means of the environmental air catalyst sensor (EAC) located in the radiator, is not carried out correctly as required by emissions regulations.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10150164-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10150164-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10150164","components":[{"id":"engine","name":"Engine","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null},{"id":"catalytic-converter","name":"Catalytic converter","parent":"exhaust-emissions"}],"codes":[],"topics":[],"vehicles":[{"make":"BMW","model":"328I","year_from":2012,"year_to":2014,"match":"exact","vehicle_ids":["2012_bmw_328i","2013_bmw_328i","2014_bmw_328i"]},{"make":"BMW","model":"428I","year_from":2014,"year_to":2014,"match":"exact","vehicle_ids":["2014_bmw_428i"]}],"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":[]}