Questions about my Audi… Rims etc

Hello since I now own a B3 I really wanted to change a little bit of it optically First of all other rims should have on it, bumpers partly painted and mirrors painted! Then I would like to have completely red tail lights and white blinkers! now to my questions Pass the outer red backleaf of the B4? White turn signals: Are any of ebay recommended? or is there any alternative at all? Then to the main theme, the rims! I float among other things the original ones Speedline before (the one with the inside star)! How much is it used in good condition or how much money should I plan In my old license 205 tyres were registered, but only in connection with certain rubbers! Can I drive other cars without registration? What does that look like at all, in my old license there were still tons of things entered, which I now don’t have in the euen ticket, I have to bear this or can I just have the old letter with the eintra I’ve been dreaming of Mattig sports steel for a long time!° The problem is that there are only 4 times 100 as far as I know and not 4 times 108 Are there hole circle adapters? What does this look like with the input of 13 inches with low cross-section tyres? (up to 225/45 13)? Do I have to adjust the speedometer? do I get this registered at all? Oh yes, if any of you welc he the listed parts has at a good price, then just write in here…. do not necessarily price in here, have icq or then write to you by mail! I hope you can help me MFG Felix