that is called an LTW spolier... came on the LTW m3's but dont get it... you will go thru tires like crazy, not to mention fuel economy.... go for the lower one.... i got it with out the risers and i dont see a huge difference in either tires or fuel.
e39 M5 (s62)- Muffler Delete, Timmay Tips,
e30 325ic - Hard Top, Matte Black
e36 328is - (m52)AA S/c'd, M50 Mani, 3.23 LSD, M3 Brakes, Zimmer rotors, hps pads, Racing Dynamic Strut Bar, Depos, m3 Bumper, Intake, Spal fan, poly RTABs, Eibach Swaybars, Koni yellow, Mishimoto Rad, Silicone hose, Alumi T-housing, Depo w/LED Angels, LED tails, 12' Alpine Type R, Suede head liner, LTW Low rise spoiler
92' 325is (m52) - M3 conversion AA S/c'd
'97 Euro Estroil E36 M3 Vert (S50B32)