{"nhtsa_id":621531,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2001-09-25","date":"2001-05-01","document_id":"170101","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:COOLING SYSTEM","mfr_system":null,"summary":"ON SOME VEHICLES WITH M62 AND M62TU ENGINE, THE VEHICLE CHECK CONTROL SYSTEM MAY INDICATE A CHECK COOLANT LEVEL PERMANENTLY OR INTERMITTENTLY DISPLAYED AND / OR TRACES OF COOLANT RESIDUE FOUND ON TOP OF THE EXPANSION TANK AND / OR ON THE EXPANSION TANK CAP. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/621531","components":[{"id":"engine","name":"Engine","parent":null},{"id":"cooling-system","name":"Cooling system","parent":"engine"}],"codes":[],"topics":[],"vehicles":[{"make":"BMW","model":"540","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"BMW","model":"740","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"BMW","model":"X5","year_from":null,"year_to":null,"match":"exact","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":[]}