Depending on engine application, sometimes high compression is preferable to low and vice versa. (yourmechanic.com)
A compromise timing is therefore chosen depending on the specific engine application. (mechadyne-int.com)
As described in a paper published in MTZ on the development of the 1.8 L TFSI EA888 Gen3 variant, the dual injection system opens up new levels of freedom for engine applications; mixture formation can be carried out by a combination of up to three direct injection events and the indirect injection. (greencarcongress.com)