{"nhtsa_id":10178993,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-08-31","date":"2020-07-01","document_id":"B160319","mfr_campaign":null,"replaces":null,"component":"FUEL SYSTEM, GASOLINE","mfr_system":null,"summary":"NOISES FROM THE FUEL TANK AT IDLE: All vehicles except the F48 (X1): While driving slowly with low RPM or while idling a faint knocking or fluttering noise can be heard from inside the fuel tank with a low fuel level (approximately less than 2 gallons). The customer may describe this noise as a \"helicopter noise\" from the rear of the vehicle. F48 (X1) only: While driving slowly with low RPM or while idling a faint knocking or fluttering noise can be heard from inside the fuel tank when the tank is full. The customer may describe this noise as a \"helicopter noise\" from the rear of the vehicle. CAUSE Pressure fluctuations from the tank ventilation valve will cause the fuel tank filler pipe non-return valve to vibrate. In some cases, the vibration can be heard inside the vehicle.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10178993-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10178993-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10178993","components":[{"id":"fuel-system","name":"Fuel system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"BMW","model":"230I","year_from":2017,"year_to":2020,"match":"exact","vehicle_ids":["2017_bmw_230i","2018_bmw_230i","2019_bmw_230i","2020_bmw_230i"]},{"make":"BMW","model":"330I","year_from":2017,"year_to":2020,"match":"exact","vehicle_ids":["2017_bmw_330i","2018_bmw_330i","2019_bmw_330i","2020_bmw_330i"]},{"make":"BMW","model":"430I","year_from":2017,"year_to":2020,"match":"exact","vehicle_ids":["2017_bmw_430i","2018_bmw_430i","2019_bmw_430i","2020_bmw_430i"]},{"make":"BMW","model":"R 1200 GS ADVENTURE","year_from":2017,"year_to":2017,"match":"base","vehicle_ids":["2017_bmw_r-1200-gs"]},{"make":"BMW","model":"R NINE T SCRAMBLER","year_from":2018,"year_to":2018,"match":"base","vehicle_ids":["2018_bmw_r-ninet"]},{"make":"BMW","model":"X1","year_from":2016,"year_to":2020,"match":"exact","vehicle_ids":["2016_bmw_x1","2017_bmw_x1","2018_bmw_x1","2019_bmw_x1","2020_bmw_x1"]},{"make":"BMW","model":"X1 SAV","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":[]}