Hello guys, the question is already in the subject, I want to make the TÜV compliant. Whether this holds permanently is not now the question, the FZG already has rust, and the fight is always lost. The job is already processed quickly with a CDC disc, but I can make it even more carefully. I would fit a metal piece into the hole now and then close everything with fiberglass paste, because I have no welding device and no accessories (have even welded once, but this is Is the TÜV compliant? If no, why not, that holds with fiberglass paste bomb-proof. I would of course grind it off, prime it, and then spray it with matching carroserie paint. Yes, you will see clearly that it is patched there, therefore my question, whether the TÜV is compliant. Thank you for your tips, yes, I am beginner-hobby-screw, but very eagerly, especially around the topic of bodywork, meaning and purpose of reprocessing steps, not Prof. Immediately, but TÜV just 80% solutions for the hobby area.