Seat wobbles F12

Hello, thought it might be better to re-emphasize the topic again in the hope of getting relevant answers after the SuFu remained without result. I think that with my driver’s seat (sports seat) could also be the problem of wobble. Anyway, recently when I turn or bend, there are so short cracks – can be hard to describe – in the seat somehow. Now I read some of the problems with seat rails or something; anyway, one should de Is this how you can see (yellow?) temples and people here knew how to fix the wobble in about 10 minutes? Does anyone know more about this?