{"nhtsa_id":10148251,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-11-13","date":"2014-04-01","document_id":"110514","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE","mfr_system":null,"summary":"S63TU Engine: Noises from Leaking Exhaust Manifold. A rattling, knocking, clattering or hissing noise can be heard from the engine compartment while the engine is running. It is more pronounced when the engine is under load. CAUSE The exhaust manifold attaching screws have come loose, causing an exhaust leak.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2014/MC-10148251-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2014/MC-10148251-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10148251","components":[{"id":"engine","name":"Engine","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null},{"id":"exhaust-pipe","name":"Exhaust manifold, pipes and muffler","parent":"exhaust-emissions"}],"codes":[],"topics":[],"vehicles":[{"make":"BMW","model":"528I","year_from":2011,"year_to":2013,"match":"exact","vehicle_ids":["2011_bmw_528i","2012_bmw_528i","2013_bmw_528i"]},{"make":"BMW","model":"535I","year_from":2011,"year_to":2013,"match":"exact","vehicle_ids":["2011_bmw_535i","2012_bmw_535i","2013_bmw_535i"]},{"make":"BMW","model":"535I US","year_from":2011,"year_to":2011,"match":"base","vehicle_ids":["2011_bmw_535i"]},{"make":"BMW","model":"550I","year_from":2011,"year_to":2013,"match":"exact","vehicle_ids":["2011_bmw_550i","2012_bmw_550i","2013_bmw_550i"]},{"make":"BMW","model":"ACTIVE HYBRID 5","year_from":2012,"year_to":2013,"match":"exact","vehicle_ids":["2012_bmw_activehybrid-5","2013_bmw_activehybrid-5"]},{"make":"BMW","model":"M5","year_from":2013,"year_to":2013,"match":"exact","vehicle_ids":["2013_bmw_m5"]},{"make":"BMW","model":"M6","year_from":2013,"year_to":2013,"match":"exact","vehicle_ids":["2013_bmw_m6"]}],"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":[]}