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Xenon light pattern - problem?
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11-11-2011, 07:32 PM | #1 |
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Xenon light pattern - problem?
Hi chaps.
320d coupe. What dispersion pattern do you get from your xenon headlights. Not sure if mine are correct. Left hand light seems to project a light further into distance than right. Also there is a step where the two light patterns cross. Higher on left hand light. Also the light seems brighter on the left hand side. Is it just me or is this a design feature specifically to stop the lights affecting on coming drivers in some way? How do BMW dealers ensure: 1-the light is not defective i.e one not brighter than the other. 2-lined up correctly Sorry if this all sounds daft! |
11-11-2011, 09:22 PM | #2 |
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Drives: E91 330d M Sport
Join Date: May 2010
Location: Stoke on Trent
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The pattern sounds right - the left hand beam will be shaped to illuminate the pavements and verges, where the right hand beam should be much flatter, to avoid glaring.
They should be equally bright though.
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11-12-2011, 07:02 AM | #4 |
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What position do you have the headlight control knob in? In Auto mode with adaptive lighting the pattern and alignment is different to the manual headlight on position. You will find in the manual position that both headlight beams are aligned the same and should be level. This is the position that the headlight aim should be checked at during an MOT. The auto position will apply adaptive lighting to suit the road infront of you and generally the drivers side aim is higher and further to the right to illuminate further up the road.
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11-13-2011, 02:31 PM | #5 | |
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Quote:
So his lights appear to be set quite normally.
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11-13-2011, 03:21 PM | #6 | |
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Quote:
The aim most likely needs setting, especially if the car is under 3yrs old and not had it's first MOT. P.D.I checks often miss this off so they remain unchecked until the first MOT. So if the OP has any concerns and the car be less than 3 yrs old i would suggest going back to the dealers and asking for the headlight aim to be checked. Last edited by AdrianSi; 11-13-2011 at 03:28 PM.. |
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