Question about 2007 Audi A4 Convertible

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O.e.m xenon conversion

Hi i have a b7 cab with standard halogen lights and want to change them for o.e.m xenon lights can you tell me what i will need besides the lamps balast and bulbs ive been told i need level sensors do i need looms and ecu or relays ect thanx dereck.

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Skip that - it's unnecessarily expensive to use OEM parts. Get an aftermarket HID conversion kit and use that. Mine is from www.VVME.com and runs about $71 shipped. It's plug and play - you only need to specify the bulb style you have (H7, H3, 9006, etc) and what color temperature you want. Stay within the range of 4300k to 6000k - go lower than those and the beams are yellow, and above those they're very blue and the output is diminished. I have 6000k in my A4 and prefer it to the OEM 4300k color as it seems to be a richer light. For ultimate output, 4300k is the brightest, but even the 6000k is about three times brighter than a halogen light.

Posted on Jan 03, 2009

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Posted on Jan 02, 2017

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Fitting aftermarket HID (xenon) headlights to any brand of car


HID headlights are one of the best modifications you can make to a car. When they first came out, they were very expensive, but now the costs are extremely reasonable ($60-80 including shipping from a variety of sources online, somewhat higher if your car has one bulb that gives both low and high beams). The light output is about 3 1/2 times the intensity of halogen headlights, the bulbs have a lifespan to rival the car itself, and yet they draw less power than a standard halogen bulb (35w vs the 55w of a typical halogen bulb).

First off, how does it work? The system includes a pair of bulbs and a pair of power ballasts to drive them. Unlike a halogen bulb, which is a glass globe with a physical filament in it (which heats up to glowing when current passes through), an HID bulb has no filament. It functions much the same as an arc welder. At either end of a glass tube with a globe in the center, is an electrode. The center globe is filled with a combination of elements, among which is xenon gas. The power ballast is basically a transformer, which takes the 12 volt input from your car and boosts it tremendously. Xenon gas lights need an initial surge of over 22,000 volts to ignite, and a steady 75-85 volts to stay lit. The transformer in the power ballast steps up your 12 volt car voltage to these levels to drive the lights. However, the current is very, very low, and the result is a power draw of only 35 watts, a lot lower than the power draw of halogen lights. When the ballast fires that initial starting voltage, the electricity arcs between the electrodes in the bulb, through the xenon globe, molecularly exciting the xenon gas and causing it to emit light.

Some cars require an additional relay harness that connects directly to the battery to turn the lights on, but most do not. Your vendor should be able to tell you if your car will need this additional harness.

There are a few things to know before you order. First, you need to know what type of bulb your car has. Remove a headlight bulb and look for the number stamped on the base of the bulb. Many Japanese and GM cars use 9006-style bulbs for low beams. German cars like Audi and VW often use an H7 bulb. You'll need to know this for your car, so you can order your HID bulbs properly.

Next, you'll need the color temperature. The temperature, or "warmth", of the light is described in degrees Kelvin. Any manufacturer that offers HID lights as standard or optional equipment, puts out kits with a color temperature of 4300K (4300 degrees Kelvin). Again, this is a measurement of color, NOT of physical temperature. They offer 4300K bulbs because natural sunlight/daylight is very close to that color, and from behind the wheel, the combination of light color and light intensity rivals that of daylight. It's also a color that is easy on the eyes, and long night drives are more relaxing than with the yellowed halogen light - I've found that I feel less fatigued with HID lights than with halogens.

With color temperature, the higher the number, the more blue the light gets. The lower the number, the more it trends to yellow (a 3000K HID kit in your foglights would be a blazing yellow/amber color, great for cutting through rain, driving snow, or fog). 4300K light is very crystalline white on the road. Moving upward through 5000K and 6000K kits, you'll get a richer white with tinges of blue. I have had 4300K and 5000K in past cars, and currently have 6000K HIDs in my Audi. I like the 6000K best, but that's personal preference, although it does seem to have the fullest light.

Going beyond 6000K, you start getting into a seriously blue spectrum, and this is not recommended - sure it looks cool, but blue is one of the worst colors for visual definition, and does not penetrate distance nearly as well as the whiter colors of the spectrum. Going to 10,000K and above makes the light almost purple - again, cool for looks, but lousy for driving.

That's about all there is to know, other than the fact that HIDs will give your car a great look, and will blow you away with the visibility improvement. I've been modifying cars for a long time, and consistently, HIDs have been one of the best functional and aesthetic improvements I've made to any of them. And if your eyesight is somewhat compromised, or you drive a lot of unlit back roads, they're going to seem like an answer from heaven for your driving:)

on Dec 10, 2009 | Acura CL Cars & Trucks

1 Answer

Replace a headlight bulb in my headlight


The car can have Bi-Xenons or halogens lamps, the bulb would be different. The user manual shows which bulb type to use.
Changing the halogen bulb would be quite easy. On the contrary changing Xenon HID's involves some knowhow and should be done by a dealer, they also need to be replaced in pairs.

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Dec 07, 2014 | Mercedes-Benz E-Class Cars & Trucks

1 Answer

If i was to change headlight globes from 55 watt low/65 watt high to xenon halogen 90 watt low/100 watt high is there any problems


Most OE factory wiring is marginal as far as amperage carrying capability goes. They installed wiring fine for the stock bulbs and switch. A lot of vehicles send power to the lights..head and running...through the light switch on the dash. This causes it's own problems as switches are the weak link in the lighting system.

If you run 100watt bulbs you will need to power the bulbs via a 40 amp relay switched by the light switch so the switch does not carry the amperage load through it's contacts.

Doing so will reduce the voltage drop to the bulbs as a 2 volt drop will cause the bulbs to be only 75% as bright as they would be with the full 13.5 volt running voltage..

You run a fused wire from the battery or power distribution block to the relay that should be mounted within 6 inches of the closest h/l bulb. Then from the relay to the head light bulb/s. The front and rear running lamps can remain as factory as they are low amperage draw and original light switch will work because you now no longer run power to the h/lamps through the switch.

Search the www for schematics for relay switched lamps.


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Mar 12, 2014 | Cars & Trucks

1 Answer

Hi I got a problem with my Volvo V70 headlights. When i turn on highbeam, the lowbeam reflector adjust itself up, providing more light to the high beam. After i mounted a h9 55w xenon kit into the hi


it may need reset at the dealer to accomodate the new style/type of lamp..unless the cars', original factory setting does not allow for that change to be made.. they can tell you either way..

Dec 24, 2013 | Volvo Cars & Trucks

1 Answer

I have installed a new xenon light instead of the ordinary halogen lights in the front since then my electric window is not working while the car is running but it works only when shutdown the engine...


Have you approached the manufacturers of the Xenon Light? It maybe drawing too much 'power' using same, and takes away from the A/c and the Electric Windows . You don't say if the A/c works whilst the motor is running or visa versa ?; Have you tested by refitting the original ordinary halogen lights ? And by the way , are these Xenon Lights legal? Will changing to use these effect your Insurance Cover? because technically it might be considered you have changed a safety element and might therefore make the vehicle un-roadworthy

Dec 23, 2013 | Cars & Trucks

1 Answer

How to replace driverside headlight replacement


I don't know how to replace the headlight replacement, but I can tell you how to replace the bulbs if that is what you want to know. It all depends on if your vehicle is equipped with halogen or xenon bulbs. I am posting instructions for both.

1. Turn the headlamp bulb plastic cap counterclockwise to unlock and remove it
2. Turn the bulb socket counterclockwise to unlock and remove it (xenon)
3. Disconnect the electrical connectors from the bulb terminals (halogen)
4. Unlock the retaining springs and remove the bulb
5. Release the ignitor and remove from the plastic cap (xenon)
6. Turn the high beam lamp socket counterclockwise to unlock and remove it.
Installation is the reverse order of removal.

Mar 06, 2012 | 2006 Nissan Altima

1 Answer

WHAT IS THE BULB NUMBER FOR THE BRAKE LIGHT ON 2005 TRAILBLAZER


2005 CHEVROLET Trailblazer
Low beam headlamp
9006
9006SU Silverstar ULTRA for Ultra Night Vision - The Whitest and Brightest Halogen
9006ST Silverstar High Performance Lighting: The Whiter and Brighter Halogen
9006EB EcoBright - Your Environmental Choice
9006XV XtraVision Halogen - The Brighter Light
9006CB Cool Blue Halogen - The Whiter Light

High beam headlamp
9005
9005SU Silverstar ULTRA for Ultra Night Vision - The Whitest and Brightest Halogen
9005ST Silverstar High Performance Lighting: The Whiter and Brighter Halogen
9005EB EcoBright - Your Environmental Choice
9005XV XtraVision Halogen - The Brighter Light
9005CB Cool Blue Halogen - The Whiter Light

Parking light
3757ALL

Front turn signal
3757ALL

Rear turn signal
3157LL

Tail light
3157LL

Stop light
3157LL

High mount stop light
Assembly

Fog/Driving light
880
880ST Silverstar High Performance Lighting: The Whiter and Brighter Halogen
893
893ST Silverstar High Performance Lighting: The Whiter and Brighter Halogen

License plate
2825
2825LL Long Life Upgrade: Up to twice the life of the standard lamp

Back up light
3157LL

Front sidemarker
194
194LL Long Life Upgrade: Up to twice the life of the standard lamp

Glove box
194
194LL Long Life Upgrade: Up to twice the life of the standard lamp

Map light
194
194LL Long Life Upgrade: Up to twice the life of the standard lamp

Dome light
212-2

Step/Courtesy light
194
194LL Long Life Upgrade: Up to twice the life of the standard lamp

Trunk/Cargo area
212-2

Nov 19, 2009 | 2005 Chevrolet TrailBlazer

1 Answer

Changing lights in my truck


Before you buy them check with your local laws.Most states have outlawed the xenon,our state only allows them if they're factory orignal.

Nov 12, 2009 | 1988 Chevrolet K1500

2 Answers

Hi I bought a halogen headlight on ebay for a 2004 nissan 350z that I am fixing. but it won't fit. the plugs don't match the one in the car. what do I have to do.


You may have the wrong part. Cross-reference the part number with the correct part number, which should be located in your owner's manual.

Nov 27, 2008 | 2004 Nissan 350Z

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