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      07-29-2011, 08:08 AM   #1
Jon.
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High and low beam with aftermarket bulbs.

Just a quick question.

If I got an aftermarket D1s bulb, will the low and high beam still function as normal? I'm assuming all high and low beam is, is just a higher voltage for high beam and hence brighter output? And most D1s aftermarket bulbs can handle both low and high beam voltages right?

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      07-29-2011, 10:25 AM   #2
romak47
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I could be mistaken but there is no higher output for high beams.
Its just a shutter that opens to create a wider angle of light and thus looks brighter.
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      07-29-2011, 03:36 PM   #3
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^ That's correct. 135's have Bi-Xenon in which an actuator pulls down the bottom half shutter behind the projector lens. The bulb makes no voltage change, makes it safe to 'flash-to-pass'.
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      07-30-2011, 11:36 AM   #4
Jon.
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Ah I see. Thanks, that clears up all my worries
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