Thank you guys, I think i will go with a new Rambo, already decrease Speed a fair bit and still got the problems...
The Frustrating thing is that my M2 at home works with the exact same settings flawlessly, I will give an update if the Rambo Board was the problem!

It happens on all kind of models, even cubes with no overhangs whatsoever, no warping or anything the nozzle could crash into. Models created with CAD software mostly but also things from thingiverse. I added fans to the motors and a larger fan to the drivers because I thought it was overheating but...

no bridging involveld, what you see standing over the part should actually be the infill.
the model is perfectly fine, I used slic3r, the gcode preview shows no errors.

http://i.imgur.com/MZGDT16.jpg

I updated the list and image for further clarification on the error.

Hello, I have a very annoying problem with my Makergear M2 at work, I will try to list everything i noticed. http://i.imgur.com/MZGDT16.jpg The shifts happen in both x and y direction at random, often the same part comes out completely fine when printed a second time but it happen 1 out of 8 times s...