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Car Forum / BMW Cars / March 2008

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X5 Head lights

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Gordon Shumway - 01 Mar 2008 01:26 GMT
My daughter has a 2005 X5 and there is an annoying problem with the
head lights.  At a random time frame they will dip down for only a
second or two and then they will return to the proper level.  I saw
this happen approximately five or six times in a fifteen minute trip.

She has taken it to the dealer and there was "No problem found."

Does anyone have any idea what may be causing this?

Thanks,
G.S.
R. Mark Clayton - 01 Mar 2008 09:50 GMT
> My daughter has a 2005 X5 and there is an annoying problem with the
> head lights.  At a random time frame they will dip down for only a
[quoted text clipped - 7 lines]
> Thanks,
> G.S.

Loose connection on headlight load or just headlights adjust seems most
likely.
Ali - 01 Mar 2008 20:37 GMT
Does she have Xenon lights?

> My daughter has a 2005 X5 and there is an annoying problem with the
> head lights.  At a random time frame they will dip down for only a
[quoted text clipped - 7 lines]
> Thanks,
> G.S.
Gordon Shumway - 01 Mar 2008 20:58 GMT
Ali,

Yes she does.

BTW, the head lights dipping down and then back up to the proper level
does this on level roads -- this is not due to a change in the
elevation of the road.

>Does she have Xenon lights?
>
[quoted text clipped - 9 lines]
>> Thanks,
>> G.S.
daytripper - 01 Mar 2008 22:03 GMT
>>> My daughter has a 2005 X5 and there is an annoying problem with the
>>> head lights.  At a random time frame they will dip down for only a
[quoted text clipped - 14 lines]
>does this on level roads -- this is not due to a change in the
>elevation of the road.

Nevertheless, those Xenons aiming point *is* controlled by a circuit
responding to input from a vehicle level sensor, and as both lights are
dipping together, it seems likely that said sensor is going to Heaven...
Gordon Shumway - 01 Mar 2008 23:49 GMT
Daytripper,

Thank you for that info.  It sounds like the level sensor could be the
culprit.

G.S.

>>BTW, the head lights dipping down and then back up to the proper level
>>does this on level roads -- this is not due to a change in the
[quoted text clipped - 3 lines]
>responding to input from a vehicle level sensor, and as both lights are
>dipping together, it seems likely that said sensor is going to Heaven...
Bob Smitter - 02 Mar 2008 02:58 GMT
Unless you have put a lot of miles on the X5 it should still be
under warranty (US).
Gods of Europe (18 & 5) - 03 Mar 2008 22:20 GMT
> My daughter has a 2005 X5 and there is an annoying problem with the
> head lights.  At a random time frame they will dip down for only a
[quoted text clipped - 7 lines]
> Thanks,
> G.S.

I've seen the very same thing on mine
DK - 04 Mar 2008 00:00 GMT
>> My daughter has a 2005 X5 and there is an annoying problem with the
>> head lights.  At a random time frame they will dip down for only a
[quoted text clipped - 9 lines]
>
> I've seen the very same thing on mine

It happens when you initially turn them on.  If you have the problem
after that then something is wrong.

Dan
 
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