I assume you replaced the brake sensor anyway? If its still the old cable, it will still be on. Also, the pads should have a U in the center, and the new sensor will clip into place.
<span style='color:gray'><span style='font-family:Courier'>1995 e36 3 Series RIP
1999 e46 3 Series BURN IN HELL
2000 MR-S Roadster= Current</span></span>