{"nhtsa_id":10147652,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-11-13","date":"2015-03-01","document_id":"B110315","mfr_campaign":null,"replaces":null,"component":"ENGINE","mfr_system":null,"summary":"N20 and N26 Engine: Oil Leaks from Cylinder Head Cover. There is an engine oil leakage under the vehicle, or the vehicle smells of engine oil. The cylinder head cover gasket is leaking engine oil due to loose retaining bolt(s).","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10147652-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10147652-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10147652","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"BMW","model":"228I","year_from":2014,"year_to":2016,"match":"exact","vehicle_ids":["2014_bmw_228i","2015_bmw_228i","2016_bmw_228i"]},{"make":"BMW","model":"320I","year_from":2013,"year_to":2016,"match":"exact","vehicle_ids":["2013_bmw_320i","2014_bmw_320i","2015_bmw_320i","2016_bmw_320i"]},{"make":"BMW","model":"328D","year_from":2014,"year_to":2016,"match":"exact","vehicle_ids":["2014_bmw_328d","2015_bmw_328d","2016_bmw_328d"]},{"make":"BMW","model":"328I","year_from":2012,"year_to":2016,"match":"exact","vehicle_ids":["2012_bmw_328i","2013_bmw_328i","2014_bmw_328i","2015_bmw_328i","2016_bmw_328i"]},{"make":"BMW","model":"330E","year_from":2016,"year_to":2016,"match":"exact","vehicle_ids":["2016_bmw_330e"]},{"make":"BMW","model":"335I","year_from":2012,"year_to":2016,"match":"exact","vehicle_ids":["2012_bmw_335i","2013_bmw_335i","2014_bmw_335i","2015_bmw_335i","2016_bmw_335i"]},{"make":"BMW","model":"340I","year_from":2016,"year_to":2016,"match":"exact","vehicle_ids":["2016_bmw_340i"]},{"make":"BMW","model":"428I","year_from":2014,"year_to":2016,"match":"exact","vehicle_ids":["2014_bmw_428i","2015_bmw_428i","2016_bmw_428i"]},{"make":"BMW","model":"435I","year_from":2014,"year_to":2016,"match":"exact","vehicle_ids":["2014_bmw_435i","2015_bmw_435i","2016_bmw_435i"]},{"make":"BMW","model":"525D XDRIVE","year_from":2014,"year_to":2014,"match":null,"vehicle_ids":[]},{"make":"BMW","model":"528I","year_from":2011,"year_to":2016,"match":"exact","vehicle_ids":["2011_bmw_528i","2012_bmw_528i","2013_bmw_528i","2014_bmw_528i","2015_bmw_528i","2016_bmw_528i"]},{"make":"BMW","model":"535D","year_from":2014,"year_to":2016,"match":"exact","vehicle_ids":["2014_bmw_535d","2015_bmw_535d","2016_bmw_535d"]},{"make":"BMW","model":"535I","year_from":2011,"year_to":2016,"match":"exact","vehicle_ids":["2011_bmw_535i","2012_bmw_535i","2013_bmw_535i","2014_bmw_535i","2015_bmw_535i","2016_bmw_535i"]},{"make":"BMW","model":"535I US","year_from":2011,"year_to":2011,"match":"base","vehicle_ids":["2011_bmw_535i"]},{"make":"BMW","model":"550I","year_from":2011,"year_to":2016,"match":"exact","vehicle_ids":["2011_bmw_550i","2012_bmw_550i","2013_bmw_550i","2014_bmw_550i","2015_bmw_550i","2016_bmw_550i"]},{"make":"BMW","model":"ACTIVE HYBRID 3","year_from":2012,"year_to":2013,"match":null,"vehicle_ids":[]},{"make":"BMW","model":"ACTIVE HYBRID 3","year_from":2014,"year_to":2015,"match":"exact","vehicle_ids":["2014_bmw_activehybrid-3","2015_bmw_activehybrid-3"]},{"make":"BMW","model":"ACTIVE HYBRID 5","year_from":2013,"year_to":2013,"match":"exact","vehicle_ids":["2013_bmw_activehybrid-5"]},{"make":"BMW","model":"M235I","year_from":2014,"year_to":2016,"match":"exact","vehicle_ids":["2014_bmw_m235i","2015_bmw_m235i","2016_bmw_m235i"]},{"make":"BMW","model":"M5","year_from":2013,"year_to":2016,"match":"exact","vehicle_ids":["2013_bmw_m5","2014_bmw_m5","2015_bmw_m5","2016_bmw_m5"]},{"make":"BMW","model":"X1 SAV","year_from":2012,"year_to":2015,"match":null,"vehicle_ids":[]},{"make":"BMW","model":"X3","year_from":2011,"year_to":2016,"match":"exact","vehicle_ids":["2011_bmw_x3","2012_bmw_x3","2013_bmw_x3","2014_bmw_x3","2015_bmw_x3","2016_bmw_x3"]},{"make":"BMW","model":"Z4","year_from":2009,"year_to":2016,"match":"exact","vehicle_ids":["2009_bmw_z4","2010_bmw_z4","2011_bmw_z4","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":[]}