What automobile engine's successor is BMW M40?
SELECT DISTINCT ?uri WHERE {?uri <http://dbpedia.org/property/successor> <http://dbpedia.org/resource/BMW_M40>  . ?uri <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/AutomobileEngine>}
BMW_M40