Twin scroll turbocharger device with bypass

A twin scroll turbocharger device for an internal combustion engine comprising a turbine and a compressor wherein the turbine comprises a first turbine scroll and a second turbine scroll, and wherein at least said first turbine scrolls is provided with a turbine scroll inlet valve such that the exhaust gas flow through the first turbine scroll is controllable. The twin scroll turbocharger device is further characterized in that a bypass conduit is provided between a compressor and at least the first turbine scroll. The bypass conduit is provided with a bypass conduit valve such that a flow through said bypass conduit is controllable.