Member Since: 01 Oct 2015
Location: Edinburgh
Posts: 880
Confused by Xenons
Can someone please tell me what headlight this is. Is it suitable for my MY2012?
I'm hoping it is a bi-xenon headlight, but the DS3/H7 on the label suggests otherwise...
Member Since: 03 Jul 2009
Location: Glasgow
Posts: 6902
Is the main beam not halogen on these? Are there two bulbs inside, a Halogen will be obvious
Does it have a cornering bulb, looks like it, don't think halogens have that.Joined the BMWX5 45e group
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18th Feb 2019 7:50 am
sasdiscos
Member Since: 22 Feb 2013
Location: Northants
Posts: 887
AFS Adaptive Front-Lighting System.
It will have, they have bi and a halogen lamp.
SteveYou remind me of a younger me, not much younger mind...perhaps even a little older!
18th Feb 2019 8:53 am
Davethegeo
Member Since: 01 Oct 2015
Location: Edinburgh
Posts: 880
Thanks. How does that version of the headlight compare to bi xenon in terms of brightness?D1 300Tdi - gone
D2 Td5 ES (Alive remapped...mmm) - sadly gone
D4 2012 SDV6 XS - Stolen
D4 2014 SDV6 HSE - Shiny
18th Feb 2019 10:15 am
dgardel
Member Since: 03 Nov 2009
Location: Greater Venice
Posts: 2025
All D4 with Xenon (HID) bulbs are bi-xenon (low and high beam). But pre facelift has Bi-xenon AND H7 higbeam, facelift (MY2014-on) has ONLY HID bi-nenon bulbs.
In other words pre facelift are better!!!!!
Both model has several configuration eg the AFS (fitted or not)...
Below pre facelift (RH) vs facelift (LH)
Click image to enlarge
Here the differences from the "normal" halogen bulbs and HID Bixenon (post faceliftinig):
Member Since: 01 Oct 2015
Location: Edinburgh
Posts: 880
Grazie mille!
So....I'm talking about the pre facelift model (advertised as 2010-2013). The headlights definitely have an H7 bulb in there. I know assume that the "bi-xenon" refers to the fact that the HID bulb is used for dipped and main beam, altering the focus by means of some flap? Do the HID and halogen both come on for high beam?D1 300Tdi - gone
D2 Td5 ES (Alive remapped...mmm) - sadly gone
D4 2012 SDV6 XS - Stolen
D4 2014 SDV6 HSE - Shiny
18th Feb 2019 1:09 pm
dgardel
Member Since: 03 Nov 2009
Location: Greater Venice
Posts: 2025
Davethegeo wrote:
Grazie mille!
So....I'm talking about the pre facelift model (advertised as 2010-2013). The headlights definitely have an H7 bulb in there. I know assume that the "bi-xenon" refers to the fact that the HID bulb is used for dipped and main beam,
1. altering the focus by means of some flap?
2. Do the HID and halogen both come on for high beam?
1. Not by altering the focus but with a moving flap for the dipped pattern (flap up) and high beam (flap down)
2. YES both on with high beam
on my previous MY2011 D4 I installed the LED H7 bulbs and the light was fantastic! MY2014-ON brightness is very poor compared to the new onesDiscovery 5 tdv6 HSE Corris Gray Outback Engineering Limited Edition
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18th Feb 2019 1:38 pm
Davethegeo
Member Since: 01 Oct 2015
Location: Edinburgh
Posts: 880
Thanks everyone for your help. Special thanks to dgardel for his pics and explanation.D1 300Tdi - gone
D2 Td5 ES (Alive remapped...mmm) - sadly gone
D4 2012 SDV6 XS - Stolen
D4 2014 SDV6 HSE - Shiny
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