Are you saying it will turn blue after 20-30 hours of use? I should have given more details, the one that turns yellow is anew bulb because the old bulb was doing the same thing so we took it out and found a little crack in it so we changed but the new one does it too.

__________________
94 E500 Sport
SOLD:
2002 BMW M3 Coupe 6 Speed.
SOLD:
92 500E Black Pearl, Black.
18" 2 Piece AMG
ASR Defeat
Performance Chip
Crossed Drilled Rotors.