Audi A4 B6 / B7 Bulb Sizes (2001–2008)
Quick answer: the Audi A4 B6 / B7 uses H7 for both the low and the high beam on halogen headlights, and H11 for the fog lights.
Looking for the right headlight bulb for your Audi A4 B6 / B7 (2001–2008)? Below you will find the bulb sizes for the low beam, high beam, fog lights and parking lights, for both halogen and xenon headlights.
This guide covers: A4 1.6, 1.8T, 1.9 TDI, 2.0, 2.0 TDI, 2.0 TFSI, 2.5 TDI, 3.0, 3.2 · S4 · Sedan, Avant, Cabriolet.
Audi A4 B6 / B7 bulb sizes
Halogen headlights
Low beam: H7
High beam: H7
Fog lights: H11
Parking / position lights: W5W (T10)
Xenon headlights
Low beam: D1S (some early B6: D2S)
High beam: H7
Fog lights: H11
Parking / position lights: W5W (T10)
Good to know
Halogen A4 B6/B7 headlights use H7 for both the low and the high beam.
Xenon bulbs differ by year – read the code on your bulb (D1S or D2S) before ordering.
LightsUp LED bulbs for the Audi A4 B6 / B7
Magic App Control LED bulbs – sizes for this car: H7, H11. colour temperature, brightness and strobe controlled from your phone, built-in CAN bus.
CORE150 LED bulbs – sizes for this car: H7, H11. very bright 6500K white, no app.
Compact 1:1 H7 LED bulbs (6000LM) – sizes for this car: H7. very compact, no external driver – fits tight headlight housings.
Xenon to LED bulbs – sizes for this car: D1S, D2S. plug-and-play LED replacement for xenon bulbs.
Xenon LED bulbs with App Control – sizes for this car: D2S. xenon LED replacement with app control.
T10 / W5W LED bulbs – sizes for this car: W5W / T10. for parking and position lights.
Why upgrade to LED?
Much brighter, clean white light (around 6000K) instead of yellow halogen.
Instant full brightness and a much longer life than halogen bulbs.
Plug-and-play: the same base as your original H7 bulb, no cutting or wiring changes.
Built-in CAN bus on our App Control bulbs – no dashboard warnings on most cars.
Xenon headlights? Swap to LED
If your Audi A4 B6 / B7 has xenon headlights, our Xenon to LED bulbs replace the D1S / D2S bulb directly – no ballast changes needed.
FAQ
What is the Audi A4 B7 low beam?
H7 on halogen cars, D1S on most xenon cars.
Which fog bulb does the A4 B7 use?
H11.
Check before you order
Headlights can differ by market (EU/US), trim, xenon or halogen, or because a previous owner fitted different lights. Please check the code printed on the base of your current bulb before ordering. Not sure? Send us a photo of your bulb to info@lightsup.pro and we will confirm the right size for you.
Other car? Use our Bulb Finder – pick your make, model and year and see the right bulbs in seconds.
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