Menzerna Powerlock is a great choice for trucks. Easy on and off makes that much more easy considering how gigantic they are vs an M3! How the heck do you reach the roof?
2011 e92 M3: AW/blk zcp, dct
2008 Civic Si FG2 ASM/blk
2005 e46 M3: SG/blk zcp, 6MT (sold)