Hello together, just got new brake discs on my rrs back. now these visually quite terrible all around…. pictures are attached. lt. dealer be this normal!?!? had this with none of my cars and they just want to get rid of me. which is partly rusty on the brake field, which still goes away 1,2 or 3 brake knobs is already clear and normal – but the whole other field all around not… how do you see this please?