What color is your car?
Ask the body shop what happened. Your ride didn't go in that way.
You might try Gel-gloss from Home Depot. Use a damp cloth to apply it.
Then try No.7 white polishing compoind.
2004 E60 530is, Delivered 12/12/03, TiSilver/LGrey, PP, SP,PS, PDC, ACC, FRS, Step, Xenons, clear bra, body colored rear inserts. (Retired, 1983 henna red 320is)
2004 Corvette Z06 Commemorative Edition