{"nhtsa_id":10146526,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-11-05","date":"2017-02-01","document_id":"B110317","mfr_campaign":null,"replaces":null,"component":"ENGINE","mfr_system":null,"summary":"?N20 AND N26 ENGINE: HIGH PITCHED WHINING NOISE FROM LOWER ENGINE AREA . Whining noise from the lower engine area near the engine oil pump that increases frequency when increasing the engine RPM. Wear on the engine oil pump chain drive sprockets.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10146526-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10146526-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10146526","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"BMW","model":"320I","year_from":2013,"year_to":2014,"match":"exact","vehicle_ids":["2013_bmw_320i","2014_bmw_320i"]},{"make":"BMW","model":"328D","year_from":2014,"year_to":2014,"match":"exact","vehicle_ids":["2014_bmw_328d"]},{"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":"335I","year_from":2012,"year_to":2014,"match":"exact","vehicle_ids":["2012_bmw_335i","2013_bmw_335i","2014_bmw_335i"]},{"make":"BMW","model":"528I","year_from":2011,"year_to":2014,"match":"exact","vehicle_ids":["2011_bmw_528i","2012_bmw_528i","2013_bmw_528i","2014_bmw_528i"]},{"make":"BMW","model":"ACTIVE HYBRID 3","year_from":2013,"year_to":2013,"match":null,"vehicle_ids":[]},{"make":"BMW","model":"ACTIVE HYBRID 3","year_from":2014,"year_to":2014,"match":"exact","vehicle_ids":["2014_bmw_activehybrid-3"]},{"make":"BMW","model":"X1 SAV","year_from":2012,"year_to":2014,"match":null,"vehicle_ids":[]},{"make":"BMW","model":"X3","year_from":2011,"year_to":2014,"match":"exact","vehicle_ids":["2011_bmw_x3","2012_bmw_x3","2013_bmw_x3","2014_bmw_x3"]},{"make":"BMW","model":"Z4","year_from":2012,"year_to":2014,"match":"exact","vehicle_ids":["2012_bmw_z4","2013_bmw_z4","2014_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":[]}