BMW TwinPower Turbo Gasoline Engine Technology – Enabling Compliance with Worldwide Exhaust Gas Emissions Requirements

Authors

Dipl.-Ing. N. Klauer, Dr.-Ing. M. Klüting,
Dr.-Ing. E. Schünemann, Prof. Dr.-Ing. C. Schwarz, Ing. F. Steinparzer, BMW Group, Munich

Year

2013

Print Info

Fortschritt-Berichte VDI, Reihe 12, Nr. 764

Summary

The consistent implementation of additional functional potentials in the combustion engine, which will also have the largest share of the worldwide drive portfolio despite rising rates of electrification, is a major part of the BMW EfficientDynamics strategy. Moreover, the BMW TwinPower Turbo technology package, which for gasoline engines consists of the elements turbocharger, fully variable valvetrain with VALVETRONIC, and direct fuel injection, will be used in the gasoline and diesel engines of the BMW Group. Alongside typical BMW driving dynamics and a simultaneously significant reduction in fuel consumption irrespective of the locally available fuel quality, using BMW TwinPower Turbo technology provides additional degrees of freedom that permit a considerable reduction in exaust gas emissions. Particularly tough challenges are the SULEV exhaust gas limits that apply in California and other states in the US as well as European EU6 emissions legislation that includes newly introduced limit values for the number of particles emitted by direct-injection gasoline engines.

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