{"nhtsa_id":10147979,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-11-13","date":"2014-02-01","document_id":"640114","mfr_campaign":null,"replaces":null,"component":"VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM; EQUIPMENT:APPLIANCE:AIR CONDITIONER","mfr_system":null,"summary":"Noise from Heating and Air Conditioner. There is an intermittent whirring noise from the IHKA system when the engine is under load between 2,000 and 3,000 rpm, and sometimes at approximately 5,000 rpm. CAUSE Vibrations from the A/C low-pressure hose are resonating into the heating and air conditioning system.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2014/MC-10147979-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2014/MC-10147979-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10147979","components":[{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"visibility","name":"Glass, wipers and mirrors","parent":null},{"id":"hvac","name":"Heating and air conditioning","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"BMW","model":"335I","year_from":2012,"year_to":2015,"match":"exact","vehicle_ids":["2012_bmw_335i","2013_bmw_335i","2014_bmw_335i","2015_bmw_335i"]},{"make":"BMW","model":"428I","year_from":2014,"year_to":2015,"match":"exact","vehicle_ids":["2014_bmw_428i","2015_bmw_428i"]},{"make":"BMW","model":"435I","year_from":2014,"year_to":2015,"match":"exact","vehicle_ids":["2014_bmw_435i","2015_bmw_435i"]},{"make":"BMW","model":"ACTIVE HYBRID 3","year_from":2013,"year_to":2013,"match":null,"vehicle_ids":[]},{"make":"BMW","model":"ACTIVE HYBRID 3","year_from":2014,"year_to":2015,"match":"exact","vehicle_ids":["2014_bmw_activehybrid-3","2015_bmw_activehybrid-3"]}],"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":[]}