I'll take a pic if the fog ever lifts around here.
Yes I fear some irrepairable damage has already been done to the paint.
Other than eblow grease the only things I've tried is something I had around the house call Bug & Tar Remover but its useless.
I'll check out soem of the items mentioned here, though WD40 sounds scary to use on paint.
2012 135 Convertible
2010 Lexus RX350