Hello, I know the topic is already 1000 times I have been looking for more than an hour but somehow never found the right one. That’s why I have a new topic again. So I have the following problem I am a complete Newbi in terms of cars. I drive a Kia Ceed and at the moment I have 15 inch steel rims and 195/65 R15 91 H tires on it, which are also registered in the vehicle license. Now I can get from a well-known new complete wheels for the summer. They are also from a nem Kia Ceed but there are 16 inch steel wheels with 205/55 R16 91 V tires. What do I have to do now the tires / rims have to be registered. If you get an expert report where exactly I have to have something done (Ämter/Tüv etc.) and what costs me about the fun. Hope you can help me. Thanks already.