Question: What is the predecessor of the car engine which was succeeded by  BMW M43 ?
SPARQL:
SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/ontology/successor> <http://dbpedia.org/resource/BMW_M43> . ?x <http://dbpedia.org/property/predecessor> ?uri  . ?x <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Engine>}