Was it Merimonte at Indian Wells? If so, the "group rate" I got was $199 and they waived the resort fee (so $199 was actually $199, plus tax I guess).
If so, this was my contact there:
DEBBIE EMERY
demery@miramonteresort.com
GROUP ROOMS COORDINATOR | MIRAMONTE INDIAN WELLS RESORT & SPA
45000 INDIAN WELLS LANE, INDIAN WELLS, CA 92210
O: 760-837-1626
MIRAMONTERESORT.COM
Tell her that you're doing the BMW event and the dates that you need.