what modifications neeed to be done to fit s5 tailights on a s4? Is the wiring and the light bulb sockets transferable or do u have to change them?

 

How many times do I actually have to tell you to read the FAQ for FC at the top of this section?

And please only post a question once. Three times is way to many (and more than way too many when you could have read the FAQ for FC at the top of this section for the answer).

Your other two threads with the same exact question have been deleted