The BMW TwinPower Turbo engines in the BMW 6 Series Convertible.

Air is elementary for an open-top two-seater − and that means under the bonnet, too. Three BMW TwinPower Turbo engines from BMW EfficientDynamics are available for the BMW 6 Series Convertible. They combine cutting-edge injection systems, fully variable power control and innovative turbocharger technology. The result: outstanding figures for both performance and efficiency.

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BMW Twinpower Turbo Petrol Engines


The latest generation BMW TwinPower Turbo petrol engines feature remarkably agile power delivery and excellent responsiveness, even at low engine speeds. At the same time they are more efficient, with fewer emissions and better performance than their predecessors. These innovative engines combine the latest fuel injection technology and fully variable valve control including Double-VANOS with state-of-the-art turbocharger technology and represents a milestone in the BMW EfficientDynamics development strategy. The result is a particularly efficient drive train, which emphasises the renowned BMW engine prowess. The BMW TwinPower Turbo inline 6-cylinder petrol engine has been honoured multiple times with the Engine of the Year Award, bolstering its worldwide reputation for dynamic power delivery, extremely smooth running characteristics and impressive efficiency. The engines from the BMW EfficientDynamics range feature a technology concept that has been proven highly successful and is implemented in nearly all petrol engines.

  • BMW 650i
  • BMW 650i xDrive
  • BMW 640i
  • BMW 640i xDrive
BMW Twinpower Turbo Diesel Engines


The new generation of BMW TwinPower Turbo diesel engines is a testament to the rigorous application of the BMW EfficientDynamics philosophy, combining top marks in power generation and performance with low fuel consumption. The diesel engines are notable for their excellent responsiveness and agile power delivery at all engine speeds, as well as for their low fuel consumption. They are renowned for their outstanding efficiency and dynamics, producing very few emissions and friction in order to guarantee maximum driving pleasure. The new diesel engines in the BMW EfficientDynamics range feature lightweight aluminium construction and one, two or three turbochargers with variable turbine geometry. They also come with the very latest CommonRail direct injection, which guarantees optimum combustion to further reduce fuel consumption and CO2 emissions.

  • BMW 640d
  • BMW 640d xDrive