Have ordered for my Montana 2 car mounts: the slightly more favorable with suction cup and it here. Contrary to all expectations at first sight (after all, the holder will neither screwed nor glued but stops just by simply putting down and the adhesion of the rubber foot) does not need to worry that the Montana tip over in this holder in sharp cornering or braking. It considers the extent (to type while driving somewhat hard on the touch screen, but it may be quite possible that the holder becomes detached from the dashboard ..). But it is not positive or non-positively connected to the vehicle, the whole Konstuktion has just play. This means that the device always somehow vibrates while driving, shaking, nodding. More or less, depending on vehicle speed, engine speed and road conditions strong, but basically actually constantly. This leads on the one hand often means that you can be good or not read the display no longer (makes me personally Gewackel se waaaahnsinnig ...), on the other hand is the constant vibration of the electronics at least not helpful. Conclusion: better to take the version with suction cup for the disc, these can be mounted vibration-free, does not take up as much space and costs less!