{"nhtsa_id":10146943,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-11-05","date":"2015-07-01","document_id":"B110815","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT; FUEL SYSTEM, GASOLINE; ENGINE","mfr_system":null,"summary":"Refer to the following applicable SIBs before replacing the valve seals. ? B11 07 11 - Turbocharger Failure: Oil Supply and Return Line Blockage and Proper Repairs ? B11 07 12 - N63 Engine: Oil Consumption and/or Rough Running Complaints ? B11 01 13 - N63 Engine: Engine Oil Consumption, Engine Oil Top-ups and Refill Capacity ? B11 03 13 - Engine Oil Consumption (all models) If the valve seals are leaking, one of the following will help determine if the seals should be replaced. ? Smoke from the tailpipe when starting or aggressively accelerating and decelerating the engine ? Excessive engine oil consumption ? Spark plugs fouled with engine oil.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10146943-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10146943-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10146943","components":[{"id":"engine","name":"Engine","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"fuel-system","name":"Fuel system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"BMW","model":"750I","year_from":2013,"year_to":2013,"match":"exact","vehicle_ids":["2013_bmw_750i"]}],"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":[]}