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I have a Passat b5 and the halogens are very bad and I decide to install leds and I don't know if leds need a homologacion in this Passat I live in Spain. Need help!!!


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Halogens are very bad? If you mean headlamps, the LEDs can be worse.
If they're not powerful enough, you won't even see the road.
 

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Halogens are very bad? If you mean headlamps, the LEDs can be worse.
If they're not powerful enough, you won't even see the road.
With halogens I don't see in the dark properly "nothing"


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My factory 55 watt halogens worked just fine, maybe you need to AIM
your headlamps. I went with HID for longevity, not light or brightness.

If you can't see the road with 55 watt Halogens, then something else is
wrong. Fogged headlamps, improper aiming...
 

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My factory 55 watt halogens worked just fine, maybe you need to AIM
your headlamps. I went with HID for longevity, not light or brightness.

If you can't see the road with 55 watt Halogens, then something else is
wrong. Fogged headlamps, improper aiming...
How can I aim it?


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There are big hex key adjusters on the headlamp assemblies; one height, and one for side to side.

Do you have projectors or reflector housings? Aiming is different for them

Projector:
If this is your first car with projector lamps, measure your headlamp aim first. Park
you car on level ground with more than half a tank of fuel and normal load. check tire pressure.when parked
perpendicular with the headlamps point towards a wall 25ft away, measure the distance from the center of
your low beam projector to the ground on each side. then measure the between your left and right headlamp.
Plot this infomation on the wall, directly infront of your car. Turn your low beams on. Measure 3 to 4 inches
down from your center of low beam projector mark on the wall. This is where your cut off should be. the
cutoff looks like __/__/ on most projector lamps.

Because of the sharp cut off found on most projector lamps today, it can give the impression that you are
loosing light. The sharp cut off is a good thing. iF reduces glare for yourself and oncoming drivers. If your
lamps are out of alignment, a dealer should take care of it under warrenty. If your lamps are out of wack
and you want to correct it yourself, I dont have any experience with the stock halogen lamps, but the
BiXenon B5.5 lamps you have to turn the vertical and horizontal adjustment knobs at the same time to
move the lamp. Pretty sure you need to have fairly long torx or phillips head screwdrivers. Sorry but its
been almost a year since I touched a B5.5.
Halogen:
 
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