You have to take out (and apart) the cluster, then they simply glue into place. Check the FAQ for cluster removal. I think there's one in there.
<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>