{"nhtsa_id":10149574,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-11-26","date":"2018-10-01","document_id":"B122418","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"SERVICE ACTION: PROGRAM CONTROL UNITS (DME). Revised engine lubrication strategy has been implemented. Specifically, crankcase oil spraying jets will be activated at lower engine speeds, to improve pistons lubrication and cooling.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10149574-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10149574-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10149574","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"BMW","model":"550I","year_from":2017,"year_to":2017,"match":"exact","vehicle_ids":["2017_bmw_550i"]},{"make":"BMW","model":"750LI","year_from":2016,"year_to":2017,"match":null,"vehicle_ids":[]}],"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":[]}