At rest or in motion, the 2005 545i is a picture of grace, with a fiery edge. Powered by a commanding 4.4-liter, 325-hp V-8 engine with Valvetronic, the 545i delivers no-holds-barred performance and agility. With innovative Xenon Adaptive Headlights, Intelligent Safety and Information System (ISIS), and a roomier, richly detailed cabin, the 545i exceeds all expectations.