Take a heat gun to the badging and run some floss behind the letters and it should come right off. As for residue, use this awesome cleaner from Turtlewax. It worked for me, and I think the car looks much better.
I used this and followed the directions on the bottle of leaving it on for one minute.
I'll look for the remover you linked soon and hope that works, and if not, I'll try a clay bar. Thanks for your help!
Ugh, WD40? Guess you hate your paint. You should be using a bug and tar remover that's safe for car paint.
You can try either bug and tar remover by turtle wax (the only product ID ever buy from them), 90% isopropyl alcohol will work too, as it works great for tree sap and it's safe for clear coats, or if all else fails, you can try a clay bar with some quick detailer as lube. Mothers has a quick detailer and clay bar kit you can buy at any auto parts store like AutoZone/Advanced Auto.
Looks like bird shit. Try some bug and tar remover with a microfiber cloth.
This is a must have. Every car I've debadged looks perfect after using just a little bit of this.
Good discussions on autogeek.net: http://www.autogeekonline.net/forum/auto-detailing-101/36775-tree-sap-removal-what-can-i-use.html
Turtle wax bug and tar remover with a bug sponge. Works pretty easily.
You'll need a couple of these:
http://www.amazon.com/Turtle-Wax-T-520A-Remover-Trigger/dp/B0009JKGII