Mike's tint shop. They are one of the best at resonable prices(not the cheapest) their warrenty is worth it. they have been around for awhile.
http://www.mikestintshop.com/clearbra.asp
also M1 auto sport they use to do clear bra. not sure if they still do. If you are going to mod your 135 you want to get to know them. even if they don't do clear bra with them. They are euro car experts and cool guys (the site is being revamped)
http://www.m1autosport.com/