How to replace headlight bulb for Audi A4 (B8)
Model years: 2008 - present
To ensure the safety of our own and others it's necessary to inspect if the headlights are functioning properly. Primarily decayed bulb is a ground for an unworkable headlight, that will require closer attention to monitor the route at night. Also the vehicle your are driving may be less visible in respect of other road users. If you noticed, that the headlight does not perform well, get a new bulb and replace the old one immediately. Prior to fixing dead headlight, be sure you have adequate bulb. If you ever noticed another car with dormant headlight, do not give it up and let the driver know about it. Prevent the vehicle to be involved in the accident.
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 |
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.
