I 4W12 005 RPO DEFINITIONS Z7U BUICK REGAL LIMITED MERCHANDIS NG OPT ON 4WM57 Z7U 4WD57 16U EXTERIOR COLOR PRIMARY BRITE WHITE 44U EXTERIOR COLOR PR MARY MED MALACHITE GREEN MET 72U EXTERIOR COLOR PR MARY MED UM GARNET RED METALLIC V l 1993 GENERAL MOTORS SERVICE PARTS OPERAT ONS BUICK 45W T 2 93 12 33 12 000 GROUP