Chipsaway are ok for small scuffs & repairs,get a body shop to paint your bumper. Mine is going in next week for front bumper to get painted,some stone chips & a couple of scuffs,£220.As for your wheels get them done by wheel specialist. They will bead blast them,repair any damage,powder coat primer & then wet paint colour,powder clear laquar.That way you get a tough smooth finish. 