One Used E36 Front ABS Sensor or Wheel Speed Sensor - $35 shipped.
It's the front passengers side from my 1995 M3 if it matters but im pretty sure they are all the same.
http://i142.photobucket.com/albums/r94/dtiperformance/IMG_5166.jpg

picture is up.

DIBS!! I need this PM SENT on baybimmerz with phone #