I know this thread is ancient, and Im not sure if its been coverd..
Sylvania Silverstars are Osram's..
I just picked up some Sylvania Silverstar H1's and the bulb's say "Osram Germany" on them. Just thought Id let it be known cause I ran across this thread when I was looking for ellipsoid data..
Sylvania silverstars and Blue Osram silverstars are white
they are different
