Welcome! San Diego to Bainbridge.... Navy huh?
Ouch, that's a bummer. I'm assuming you are referring to the BMW Performance carbon fiber splitters? And they ripped one off without damaging anything else on the car? If so, that's impressive!
Still following this assumption, the carbon fiber splitters are simple bolt-ons and can be done by anyone in about 10 minutes. If you want a shop to do the work, you'll probably be looking for someone near Edmonds using the Kingston ferry.
That being said, I don't have any suggestions.
See
http://www.1addicts.com/forums/showthread.php?t=625195 for related info.
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2010 Le Mans Blue 135i 6MT - BMW Performance, Dinan, Koni, Eibach, Berk, Breyton, BMS