Originally Posted by Dundas
Itís been a few years but what worked well with my E46, as I recall, was slowly working fishing line between the spoiler and the trunk lid to separate them and then Goo-Gone to remove the residue of the 3M double-sided tape.
This could work...some people use dental floss, but that might not be strong enough. Also would recommend a hair dryer. Be careful with the goo-gone, you might want to dilute it because it could damage the clear coat.