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Definition of bi-xenon lights?
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krisstrue
 


Member Since: 18 Feb 2006
Location: Lodz, Poland
Posts: 24

Poland 2005 Discovery 3 TDV6 S Auto Java BlackDiscovery 3
Definition of bi-xenon lights?

Hi,

Just a question: in the specs of the D3 headlamps are described as bi-xenon which for my understanding means that both beams come from the 'xenon' source. Also in the manual, bulb replacement for high and dipped beam is described by the same bulb i.e. D2S (xenon).

In practice my headlamps have Xenon bulb for low beam and 'standard' H7 for main beam. Is this correct or are there different models of headlamps for Disco3 available?

Kris  
Post #4879020th Mar 2006 1:27 pm
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Ken
  


Member Since: 20 Feb 2006
Location: Here
Posts: 10865

On the HSE if you flash your headlights without your lights on just the standard halogen lamps work. If however you’re HIDs are on then the HID lamp also changes from low to high beam (by altering the beam rather than intensity)  
Post #4880320th Mar 2006 2:38 pm
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zig
 


Member Since: 09 Sep 2005
Location: Scotland
Posts: 650

United Kingdom 2006 Discovery 3 TDV6 SE Auto Bonatti GreyDiscovery 3

To quote Glossary on Land Rover website (see www.landrover.com/gb/en/_glossary/bi_xenon.htm )

"Bi-xenon headlamps use a single xenon lamp to produce both the high beam and the low beam. The full light output is used to produce the high beam, while the low beam is formed by moving a shutter between the bulb and the lens, thus blocking off a portion of the light"  
Post #4889320th Mar 2006 8:52 pm
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FlOwner
 


Member Since: 30 Jul 2005
Location: Florida
Posts: 41

United States 2006 LR3 4.4 V8 HSE Auto Chawton WhiteLR3

I read that also. But when the high beam is on so is the halogen. Any one know why we need Halogen High beam?  
Post #4891021st Mar 2006 12:41 am
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Glymmer_Man
 


Member Since: 08 Mar 2006
Location: Sunny Downtown Sydney. I wish it were raining.
Posts: 319

Australia 2006 Discovery 3 TDV6 SE Auto Zambezi SilverDiscovery 3

Quote:
if you flash your headlights without your lights on just the standard halogen lamps work


The Reason for the halogen lights is partially for the above. HID Lights take a long time to 'warm up' which would render the passing lights function (as it is named here) useless.  
Post #4891321st Mar 2006 2:09 am
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krisstrue
 


Member Since: 18 Feb 2006
Location: Lodz, Poland
Posts: 24

Poland 2005 Discovery 3 TDV6 S Auto Java BlackDiscovery 3

In case of my headlamps, when main beam is on, halogens work, but xenon beam remains unchanged - so they still produce low beam (checked by covering halogens) - weird.  
Post #4891621st Mar 2006 5:42 am
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FlOwner
 


Member Since: 30 Jul 2005
Location: Florida
Posts: 41

United States 2006 LR3 4.4 V8 HSE Auto Chawton WhiteLR3

I noticed the same. I believe the High beams should change the angle of HIDs. I did not notice this. I guess the only way to know for sure is disconnect the Halogens and see if the angle of the HIDs change.  
Post #4954523rd Mar 2006 2:44 am
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