{"nhtsa_id":10151378,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-12-10","date":"2016-06-01","document_id":"B641016","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT:APPLIANCE:AIR CONDITIONER","mfr_system":null,"summary":"KNOCKING NOISE FROM RF WHEEL AREA WHEN A/C IS ACTIVATED. A knocking noise is heard when entering drive readiness or after driving a short distance with the air conditioning activated. This only affects vehicles with a heat pump (option code 4T9). Note: The noise can only be reproduced once after a restart, then the vehicle must sit for some time before the noise can be heard again. Air Conditioning (A/C) receiver/dryer located near the RF wheel well area.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10151378-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10151378-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10151378","components":[{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"hvac","name":"Heating and air conditioning","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"BMW","model":"I3","year_from":2014,"year_to":2018,"match":"exact","vehicle_ids":["2014_bmw_i3","2015_bmw_i3","2016_bmw_i3","2017_bmw_i3","2018_bmw_i3"]}],"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":[]}