Audi A4 B8 / B8.5 Bulb Sizes (2008–2015)
Quick answer: the Audi A4 B8 / B8.5 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 B8 / B8.5 (2008–2015)? 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 1.8 TFSI, 2.0 TFSI, 2.0 TDI, 3.0 TDI, 3.2 FSI · S4 · Sedan, Avant, allroad.
Audi A4 B8 / B8.5 bulb sizes
Halogen headlights
Low beam: H7
High beam: H7
Fog lights: H11
Parking / position lights: W5W (T10)
Xenon headlights
Low beam: D3S
High beam: H7 or D3S (bi-xenon) – check
Fog lights: H11
Parking / position lights: LED
Good to know
Halogen B8 headlights use H7 for both beams.
Xenon B8 cars use D3S.
LightsUp LED bulbs for the Audi A4 B8 / B8.5
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: D3S. plug-and-play LED replacement for xenon bulbs.
Xenon LED bulbs with App Control – sizes for this car: D3S. 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 B8 / B8.5 has xenon headlights, our Xenon to LED bulbs replace the D3S bulb directly – no ballast changes needed.
FAQ
What bulb does the Audi A4 B8 use?
H7 low and high beam on halogen cars, D3S on xenon cars, H11 fog lights.
Do LED H7 bulbs fit?
Yes, LED H7 bulbs fit the B8 halogen headlight.
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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