I give up on this game.
Since I upgraded to 32gb ram, I no longer get out of memory errors. Instead, I get some major frame lag, especially in surfers paradise. You can feel the game get super sluggish, especially if you're driving fast. If you continue driving fast, it does a hard lock, bsod, then hard reboots. I can easily repeat this behavior.
Installed on SSD, i7 4790k, gtx1080, 32gb ram. Everythings watercooled, no overheating.
So... decided to try it on the xbone. While it technically runs fine, I'm actually noticing audio slowdown in the gps directions and music. That was the last straw. I'll come back to this game when stuff's fixed.