Apparatus including a wheel balancing device and a tire changing device, comprising a spindle shaft for rotatably supporting a vehicle wheel or rim, unbalance measuring means operatively connected to the spindle shaft and having a spatial unbalance measuring area in which unbalance forces of the wheel or rim are detected, tire changer tools for assembling a tire onto a rim, spindle supporting means supporting the spindle shaft in a force acting range in which forces are created between the tire changer tools and the tire during the assembling or disassembling of the tire, tool supporting means supporting the tire changer tools within the force acting range which is arranged outside of the spatial unbalance measuring area, and drive means driving the spindle shaft with a rotational speed and torque adapted for assembling and disassembling the tire or for measuring unbalance forces of the wheel or rim.