well what is defined but working properly
its the first car of such class i have so wont have a clue how 2 pistons should work

anyways whole problem comes from 1 side.. left side
i can assume that its curb side (New Zealand!!) so something can be damaged there but hell knows
i checked visually, everything seems ok...

oh yup, the caliper holds the break pads.. how tight should it be?
coz i can move the caliper bit up and down (all 4 on 4 break disks)

should it be like that?

think when i break they should get tight and dont move up and down...

ill swap the wheels tomorro to see if its wheel balancing problem but i doubt