Exhaust gas turbocharger

The turbine housing (1) has inner housing (3) and outer housing (4). The inner housing has a tubular connector (5) for connecting a bearing housing of turbine wheel. The inner housing and the tubular connector are positively coupled to each other. A flange collar (7) is flanged radially outward of the tubular connector. A pressing ring (11) is fixed at flanged end (9) of flange collar.