How to replace headlight bulb for Audi A4 (B7)
Model years: 2004 - 2009
To assure your vehicle is visible to others it's very important to observe whether the headlights are glowing. As a rule down headlight is an outcome of an idle bulb, what makes it harder to observe the roadway at nighttime. Despite that the vehicle your are driving may be less visible in respect of other drivers. If you have spotted, that the headlight does not light up, get a new bulb and replace the old one immediately. Before getting ready to fix dead, make sure you get the right bulb. Anytime you notice other car with failed headlight please be responsible and tell the driver about it. The favor will be beneficial for other road users and the driver itself.
The life-time of a bulb is limited. Sooner or later, it will burn out and will have to be replaced. Bulbs, made of high quality materials, tend to last longer. It's recommended to use well known brand replacement bulbs.
If bulb burns out right after installation, your vehicle might have a problem inside electrical system - have it checked by auto electrician.
Tip: Never touch glass housing of a halogen bulb with your fingers. Greasy spots might cause premature failure of the bulb. Handle the bulb by its base or use a piece of clean paper when installing.
Audi A4 headlight bulb list:
| Body type | Position | Bulb specs | Buy |
|---|---|---|---|
| Sedan/saloon | High beam | Type: Halogen (H7) Voltage / Watts: 12V/55W | Amazon.com: $5.74pack of 1 $6.97pair Amazon.co.uk: £4.88pack of 1 £6.99pair |
| Low beam | Type: Halogen (H7) Voltage / Watts: 12V/55W | Amazon.com: $5.74pack of 1 $6.97pair Amazon.co.uk: £4.88pack of 1 £6.99pair | |
| Avant | High beam | Type: Halogen (H7) Voltage / Watts: 12V/55W | Amazon.com: $5.74pack of 1 $6.97pair Amazon.co.uk: £4.88pack of 1 £6.99pair |
| Low beam | Type: Halogen (H7) Voltage / Watts: 12V/55W | Amazon.com: $5.74pack of 1 $6.97pair Amazon.co.uk: £4.88pack of 1 £6.99pair | |
| Convertible | High beam | Type: Halogen (H7) Voltage / Watts: 12V/55W | Amazon.com: $5.74pack of 1 $6.97pair Amazon.co.uk: £4.88pack of 1 £6.99pair |
| Low beam | Type: Halogen (H7) Voltage / Watts: 12V/55W | Amazon.com: $5.74pack of 1 $6.97pair Amazon.co.uk: £4.88pack of 1 £6.99pair |
How to replace headlight bulb:
1.
Open the hood.
2.
Disconnect the headlight's wiring that supplies power to a bulb (usually no tools are needed, use you hands).
3.
Remove the bulb cover by turning it counter-clockwise till it can be easily pulled out.
4.
Swing open the bulb retention clip by gripping and pressing it using your fingers.
5.
Remove old headlight bulb.
6.
Insert the replacement bulb regarding the notches on both, the holder and the bulb itself. Do not touch the glass part of the bulb as it might fail prematurely.
7.
Attach bulb retention clip.
8.
Apply bulb cover back.
9.
Plug the wiring back in.
10.
Test if headlights work.
