The story behind BMW's unique quad-turbo diesel engine, its impressive performance, and how it stacked up against its rivals ...

While we like to think of 2002 as being part of a high-tech age, our beloved internal combustion engine hasn't really changed much in the last 50 years. We're still using pushrods and overhead valves, ...

Turbocharged engines are built for power. They use a device called a turbocharger to force more air into the engine, which helps burn more fuel and create more power. This gives you quicker ...