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7 Series - E38 (1995 - 2001)

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  #1  
Old 07-23-2010, 12:51 PM
M7 M7 is offline
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Location: MARYLAND
 
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Mein Auto: DMV
D2s 8,000k bulbs?

Hey does anyone know how 8000k bulbs look on the e38??? (post pics please).
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  #2  
Old 10-01-2013, 02:55 PM
StealthBomber StealthBomber is offline
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Location: UK
 
Join Date: Jul 2012
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Mein Auto: F11 530d
Illegal !

You'll probably fail the MOT. Too blue. They are tightening up on these. I even had a pair of 6K sidelight bulbs ripped out of my Passat by the MOT man - he kindly only charged me for the incandescent glow worms he replaced them with and not the labour for busting the LED ones that came out.
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  #3  
Old 10-01-2013, 03:11 PM
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FABOCH FABOCH is offline
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Mein Auto: 2000 BMW 740I SPORT
MOT is only in Europe no? The OP is in USA
I agree that 8k
is tooo Blue and IMHO RICE
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  #4  
Old 10-02-2013, 01:29 AM
StealthBomber StealthBomber is offline
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Yes of course, I forget that this is an international forum. MOT is UK only in fact.

For a more useful reply:-

Useable light output for a HID bulb peaks at around 4300K for the same wattage input (they are all the same wattage). As you progress up the colour temp range, light output drops and the colour of the light changes. Beyond 5000K, they become increasingly blue looking and by 8000K will be purple looking. And by 8000K the useable light output will be noticeably lower.

4300K sounds a bit "yellow" but I have now found that most BMW's use 4300K as do GM in the UK at least. It looks white enough and gives excellent light output. Some BMW's apparently use 5000K as do some Mercs I hear.

So my advice would be: The very best light output, stick with 4300K. if you want a whiter look, go for 5000K for a minimal output reduction.

I have used 6000K on a old car with HID conversions and they were very good - they were so white that they did not illuminate the asphalt - white on black is black. They illuminated everything else well. The 4300K in my F10 illuminate everything and look plenty white enough from the driving seat. My wifes GM has 4300K and I would say that these too are better than the 6000K I had in my old car.
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