Headlight Size

Audi A4 Headlight Assembly Replacement Guide


If you are an Audi A4 owner, this article is for you. Gaining more knowledge about your car and its functionality can come in handy at times when you least expect it.

Audi A4 has evolved beautifully over time. The car is packed with remarkable features and a graceful appearance. An essential part of the Audi A4 is its headlights, which play a necessary component in your safety and car’s appearance. So if you want to improve the performance and aesthetic appeal of your vehicle, then replacing/upgrading the headlights can do that for you perfectly.

This Audi A4 headlight assembly removal and replacement guide will guide you step-by-step through the process. So fasten your seat belts, and let’s get started.

What type of Headlights Does A4 Come with?

There is no surprise that earlier models of A4 used Halogen lights, but later on, the more luxurious models could change halogens for HIDs and LEDs.

Currently, all companies are using LEDs across the board, so the latest models (all trims) come with LEDs.

The good news for people with older models is replacing their halogen headlights with HID or LED aftermarket options. But keep in mind if you go from OEM halogen to HID or LED, the replacement process will be complex, and you might need assistance from a professional. However, if you want to replace your vehicle’s headlight with an OEM, that’s very simple; you can do it yourself at home.

How much will the Headlights Replacement Cost?

It depends. If you want to replace the bulb with a halogen, you will have to pay $20 for bulbs and $100 for labor, but if you wish to HIDs or LEDs, the bill might go up to $300.

Replacing the whole assembly in your Audi A4 will be expensive, and it can cost anywhere between $300-$1000, depending on your choice.

Required Tools for Headlight Replacement:

  • T25 and T30 Torx sockets
  • 10mm sockets
  • Ratchet and extension
  • Flathead and Phillips screwdriver
  • A new headlight assembly

Step By Step Instructions For 07-08 Audi A4 Headlight Assembly Replacement:

To replace the headlight assembly, you will have to remove the bumper cover.

  • So start working from under the vehicle, and it’s better to jack the car up.
  • Remove the three fasteners at the bottom side of the bumper.
  • Next, move to the fender well and turn the tire outside to get more space. Remove the T25 screws and Phillip screws you will find there. After that, peel the fender liner and remove 2 (10mm) bolts. Repeat the same process on both sides.
  • At the top of the grill, you will find three Torx 30 screws and two Torx 30 fasteners. Once all the fasteners are removed, you can pull the bumper off. Remember to disconnect the fog light harness if your car has fog lights.
  • Three Torx 30 screws hold the headlight bracket. Remove the screws or loosen them to pull the headlight assembly out after unclipping the wiring harness.
  • Put the new headlight in a place like the original after attaching the wire connectors.
  • Close everything up carefully to complete the installation.
  • The whole process will take you 45 minutes.

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