Dealer definitely used betalink. Best bet is heat and fishing line. If it doesn't give....I would abort the attempt. You won't damage the paint but you may well break the spoiler in half if you pull too hard.
2016 Individual f80 M3 - San Marino Blue/Full Amaro
2012 MR e92 M3 DCT, fully loaded... GONE but not forgotten!
2008 e92 M3 Coupe 6MT | AW/BLK Extended...SOLD!