WINNER: 3 turbos eliminate lag, boost power and efficiency
BorgWarner Turbo Systems
What: Regulated three-turbocharger system for diesel engines
Innovation: The system's three turbochargers kick in successively without turbo lag as engine speed increases. Compared with an equivalent two-stage turbocharger, the three-stage unit increases power output nearly 25 percent and improves fuel economy 8 percent.
First customer: BMW 5 series M, 1.3-liter diesel engine, 2012
Web site: 3k-warner.de