Z3 6603 Bricked, tried to flash --> back in loop

So i tried to root my phone ,

i put a bootloader succesfully on it. Than it all started i put a wrong img on it and again and again ...
Because i didnt know what i was doing (still ), than i found out i need to flash it so i did it , and now im back again at the blue homescreen and it wont started just stuck in the loop what is up now searched the whole forum cant find nothing ...
Please help me... if its broken just tell me or what can i do does the bootloader help me somehow ?