IS - 2nd Gen (2006-2013) Discussion about the 2006+ model IS models

D2S and D4S???????????

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Old 10-20-10, 02:41 PM
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danhtran
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Default D2S and D4S???????????

Hello CL
I wonder if D2S and D4S are the same?
i got IS250 and wonder if D2S is going to fit my car?
THANKS
Old 10-20-10, 03:08 PM
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pocky
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No, D2S contains mercury while D4S is mercury free. You cannot interchange between the two. You need D4S.
Old 10-20-10, 03:13 PM
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danhtran
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Thanks for the quick rep
But what is the "mercury"? is that the size?
So i definitely need the D4S right?
Old 10-20-10, 03:19 PM
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projectdna
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Originally Posted by danhtran
Thanks for the quick rep
But what is the "mercury"? is that the size?
So i definitely need the D4S right?
here is the wiki on mercury:

http://en.wikipedia.org/wiki/Mercury_(element)

here is the reason why D4S bulbs are mercury-free:

http://en.wikipedia.org/wiki/Headlamp#Mercury_content

thanks for reading.
Old 10-20-10, 04:59 PM
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pocky
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Originally Posted by danhtran
Thanks for the quick rep
But what is the "mercury"? is that the size?
So i definitely need the D4S right?
Yes you need D4S regardless.
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