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Replace headlights for MK3 Bi- XENON LED

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Old Sep 25th, 2017, 10:23   #1
matt01w
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Default Replace headlights for MK3 Bi- XENON LED

Hi all...

Sorry if this has been asked before, I did have a search but couldn't find anything!

Currently, my '14 v70 D3 has the standard headlight, but they are erm, not great (my wife phoned me on Friday night asking how to turn them on, they were already on)

Has anyone swapped out the standard headlights for the MK3 Bi- XENON LED headlights???
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Old Sep 25th, 2017, 10:45   #2
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LED Bulbs work well

I have some 55w on the dipped and I think 80w on the mains and happy driving up dark Welsh country B & minors with just dipped on.
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Old Sep 25th, 2017, 16:06   #3
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As far as I can tell the dipped beams on my 2012 XC70 are HID Xenons but the main beams look much more yellow. Would they be old style Halogens and if so can they be easily replaced with LED bulbs? If so, what LEDs should I buy?
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Old Sep 25th, 2017, 16:12   #4
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Yeah, only the dipped beam is Xenon, the main beam is still a halogen bulb. Though the Xenon bulb lifts up when the main beam is activated to assist it, hence why it is called Bi-Xenon.

As for doing an upgrade. I'm not sure whether the electrical connections will be a straight fit but without a software update and the level sensor fitting, it would always throw up error codes on the dash.
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Old Sep 25th, 2017, 16:23   #5
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Quote:
As for doing an upgrade. I'm not sure whether the electrical connections will be a straight fit but without a software update and the level sensor fitting, it would always throw up error codes on the dash.
That's a little disappointing. I'd assumed that you could just unplug a halogen bulb and replace it with an LED of the same socket type. What is the car doing with the main beam Halogens that it would know if they became LEDs? Is there some monitoring of the bulb circuit that would detect a change in the power consumption or resistance?
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Old Sep 25th, 2017, 17:17   #6
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Its a straight plug and play H9 bulb for the main beam. Go for a 6000k for the same light as the dipped.

No error codes, no re-programming and no fuss & took less than 10 mins to swap out both lights. Don't put lamps back until you've tested them as its possible to put the plugs on the wrong way round - it doesn't damage anything, they just won't work, change them around.

Mine are 7200 lm.
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Old Sep 26th, 2017, 01:13   #7
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That's much better news although I'm confused why there is a conflict of opinion on the matter. I'll start looking for LED replacement bulbs ASAP.
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Old Sep 26th, 2017, 07:06   #8
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Quote:
Originally Posted by Tatsfield View Post
That's a little disappointing. I'd assumed that you could just unplug a halogen bulb and replace it with an LED of the same socket type. What is the car doing with the main beam Halogens that it would know if they became LEDs? Is there some monitoring of the bulb circuit that would detect a change in the power consumption or resistance?
I was referring to upgrading Halogens to factory Xenon's. LED's should be ok, though you might need a resistor fitting to stop a bulb out warning.
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Old Sep 26th, 2017, 09:45   #9
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Does the 2012 XC70 have bulb out monitoring on the main beam bulbs? Or on any bulbs for that matter. I have yet to have a bulb fail so I have not experienced any warnings.
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Old Sep 26th, 2017, 13:47   #10
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Quote:
Originally Posted by Puffster View Post
Its a straight plug and play H9 bulb for the main beam. Go for a 6000k for the same light as the dipped.

No error codes, no re-programming and no fuss & took less than 10 mins to swap out both lights. Don't put lamps back until you've tested them as its possible to put the plugs on the wrong way round - it doesn't damage anything, they just won't work, change them around.

Mine are 7200 lm.
Do you have recommendation of a bulb? eBay had a LOT!
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