all i have to do left with the s4 is double check all of the brake line fittings and make sure no brake line is seeping out fluid and reinstall the wheels and take her out for a drive after sitting over a month.
nicely painted rear calipers with new pads, rotors and rubber lines

928gts calipers with new pads and 323x30mm rotors

test fitted with 8mm and have plenty of clearence.

i thought the zinc coated rotors dont rust? wtf!?