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Originally Posted by Hornet
Propably something to do with the new D1S bulbs they use now compared to the earlier versions D2S'.  |
Early D2S bulbs were more blue, but gave off less light, the manufacturers ( Osram and Phillips ) changed the bulbs slightly to give off more light a couple years ago, but now they are more white/yellowish
The D1S used in the E90 conforms to the newer specs
USA an Europe use the same bulbs