I've read good things about both the Continental Extremecontact Sport. Their wet grip is supposedly pretty solid. Tire rack compared them to the PS4S here
https://www.tirerack.com/tires/tests/testDisplay.jsp?ttid=223
I've also read some good reviews of Hankook Ventus V12 EVO on BMW forums.
Keep us posted on your decision, I'm curious to see how your new rubber fares on Eddy's roads as I'll be in the market for tires next year.