B47 B47 or B-47 may refer to: BMW B47, an inline-four diesel engine Bundesstraße 47, a German road B47 (New York City bus) in Brooklyn HLA-B47, a HLA-B serotype B-47 Stratojet, an American aircraft Topics referred to by the same termThis disambiguation page lists articles associated with the same title formed as a letter–number combination.If an internal link led you here, you may wish to change the link to point directly to the intended article.