LED or HID you still run into the parabolic issues just like you do with headlights. No matter what temp you run of LED or HID, they will still over run the parabolic design of the housing.
2001 Focus ZX3 Race Car in Germany-Ours
2010 Renault Clio 1.2 16V in Germany-Hers
2004 SVTF EAP/ST170-Mine
2013 Focus ST2 TS NAV SUNROOF-Hers