can we change the h4 bulb that we are using to other type? like H1 and so...is it against the law? my mechanic said need to modify the relay to support it..is it true?
I'm planning to get used BBK & before installing I wanna make it looks new.
Get it all done & once installed it's going to be there for the next few years.
If it's done by the brake shop mostly they'll just use "can...