While those traits illustrate the improvement over the previous - generation BMW inline - 6, the N52 engine also benefits from additional power enhancements for 2008. (topspeed.com)
Superior driving performance is granted by the TECHART TECHTRONIC engine power enhancement which boosts the Panamera Turbo's power output to 640 hp / 470 kW. (techart.de)
Peak power is predicted to start at 331kW (450hp) but as is the norm with forced induction you can expect the AMG boffins to provide a range of factory - backed power enhancements. (ausmotive.com)