28th International Vienna Motor Symposium
New BMW Six- and Four-Cylinder Petrol Engines with High Precision Injection and Stratified Combustion
Authors
Dipl.-Ing. P. Langen, Dipl.-Ing. T. Melcher, Dipl.-Ing. S. Missy, Dr.-Ing. C. Schwarz, Dr.-Ing. E. Schünemann, BMW Group, Munich
Year
2007
Print Info
Fortschritt-Berichte VDI, Reihe 12, Nr. 639
Summary
BMW is currently introducing the new six- and four-cylinder naturally aspirated petrol engines with High Precision Injection into the European markets. The spray-guided 2nd generation direct-injection combustion system with centrally positioned, outward opening piezo-injector eliminates the disadvantages of the wall-/airguided 1st generation DI combustion systems and realises the thermodynamic potentials of the stratified operation into customer-relevant benefits for fuel consumption and dynamics.
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