{"nhtsa_id":10146785,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-11-05","date":"2016-11-01","document_id":"B160316","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"BUZZING OR CLICKING NOISE FROM THE SCR TRANSFER PUMP. There is a buzzing or clicking noise coming from under the car that can be heard from the passenger compartment when the engine is at idle. Normal operation of the SCR transfer pump delivering diesel exhaust fluid (DEF) from the passive to active tank.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10146785-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10146785-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10146785","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"BMW","model":"525D XDRIVE","year_from":2014,"year_to":2014,"match":null,"vehicle_ids":[]},{"make":"BMW","model":"535D","year_from":2014,"year_to":2016,"match":"exact","vehicle_ids":["2014_bmw_535d","2015_bmw_535d","2016_bmw_535d"]}],"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":[]}