My 2004 6i 5 door (volcanic red) was stolen and recovered recently. It went thru body repair that costed over $7000. The rear bumper was repainted and now I notice a sutbtle color difference between the bumper and the hatch. The body shop said that they use the exact color specified by the manufacturer. Is it still possible that noticeable color difference would be apparent? Most people would not notice it but I do and my husband does. Should I complain??