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BMW EfficientDynamics in the BMW 6 Series Coupé.

BMW EfficientDynamics represents a package of intelligent initiatives that deliver significant reductions in fuel consumption and emissions - while simultaneously boosting driving performance. The BMW 6 Series Coupé offers a whole range of efficiency-enhancing technologies: High Precision Injection, Brake Energy Regeneration and a number of improvements in the drive train. Together, they solve the "power vs. fuel consumption" dilemma in a way that's never been seen before.