I've seen that same stripe on a white M3 in LA but it was closer to the rear of the door. Looks okay I guess. Not a fan of big multi-colored stickers on cars. I think AW is the only color that can pull it off.
2008 IB E92 M3| BBS | KW | Arkym | Platte Forme A.G. | Active Autowerke | K&N | Fabspeed | Dinan | Evolve-R