Turbocharger with variable turbine geometry - with a turbine housing with a feed passage for exhaust gases; - with a turbine rotor, which is rotatably mounted in the turbine housing; and - with a guide vane cascade, • which encloses the turbine rotor radially on the outside, • which has a vane bearing ring, • which has a multiplicity of guide vanes, which have in each case a vane shaft which is mounted in the vane bearing ring, • which has an adjusting ring which is in functional communication with the guide vanes via associated vane levers which are fastened by one of their ends on the vane shafts, wherein each vane lever on the other end has a lever head which can be brought into engagement with an associated engagement recess of the adjusting ring, and • which has a stop at least for adjustment of the minimum throughflow through the nozzle cross sections which are formed by the guide vanes, • the stop being formed as a separate component which can be fixed in the guide vane cascade, characterized in that • the stop can be fixed exchangeably on the vane bearing ring and has a projection which engages in a slot of the adjusting ring, and the projection has a stop bridge. - with a turbine housing with a feed passage for exhaust gases; - with a turbine rotor, which is rotatably mounted in the turbine housing; and - with a guide vane cascade, • which encloses the turbine rotor radially on the outside, • which has a vane bearing ring, • which has a multiplicity of guide vanes, which have in each case a vane shaft which is mounted in the vane bearing ring, • which has an adjusting ring which is in functional communication with the guide vanes via associated vane levers which are fastened by one of their ends on the vane shafts, wherein each vane lever on the other end has a lever head which can be brought into engagement with an associated engagement recess of the adjusting ring, and • which has a stop at least for adjustment of the minimum throughflow through the nozzle cross sections which are formed by the guide vanes, • the stop being formed as a separate component which can be fixed in the guide vane cascade, characterized in that • the stop can be fixed exchangeably on the vane bearing ring and has a projection which engages in a slot of the adjusting ring, and the projection has a stop bridge. • which encloses the turbine rotor radially on the outside, • which has a vane bearing ring, • which has a multiplicity of guide vanes, which have in each case a vane shaft which is mounted in the vane bearing ring, • which has an adjusting ring which is in functional communication with the guide vanes via associated vane levers which are fastened by one of their ends on the vane shafts, wherein each vane lever on the other end has a lever head which can be brought into engagement with an associated engagement recess of the adjusting ring, and • which has a stop at least for adjustment of the minimum throughflow through the nozzle cross sections which are formed by the guide vanes, • the stop being formed as a separate component which can be fixed in the guide vane cascade, • the stop can be fixed exchangeably on the vane bearing ring and has a projection which engages in a slot of the adjusting ring, and the projection has a stop bridge.