hey guys i just installes some apexcone 4500ks in my 3 got them for like 60 something shipped... but n e ways i was notesing as driving thrue a bumpy road i can kind of see you know like when some cars go over bums and it seems like their lights are loose that what is looked lke whn its bumoy but i cheked the lil thing that hold them in place and it is really tight on them... is this normal for hid or should i dobble chek over the weekend also the part on the bulb that has the dark lin along the edge does that go to the top or to the botom?