When to replace the Headlight Bulb on your AUDI A8
Recommended replacement interval for the part category Headlight bulb : 12 month / 15000 km
Important!
This replacement procedure can be used for:
AUDI A8 (4H2, 4H8, 4HC, 4HL) 6.3 W12 quattro, AUDI A8 (4H2, 4H8, 4HC, 4HL) 3.0 TFSI quattro, AUDI A8 (4H2, 4H8, 4HC, 4HL) 3.0 TDI, AUDI A8 (4H2, 4H8, 4HC, 4HL) 3.0 TDI quattro, AUDI A8 (4H2, 4H8, 4HC, 4HL) S8 quattro, AUDI A8 (4H2, 4H8, 4HC, 4HL) 4.0 TFSI quattro, AUDI A8 (4H2, 4H8, 4HC, 4HL) 3.0 TFSI quattro, AUDI A8 (4H2, 4H8, 4HC, 4HL) 2.0 TFSI hybrid, AUDI A8 (4H2, 4H8, 4HC, 4HL) 3.0 TFSI quattro, AUDI A8 (4H2, 4H8, 4HC, 4HL) 4.2 FSI quattro, AUDI A8 (4H2, 4H8, 4HC, 4HL) 3.0 TDI quattro, AUDI A8 (4H2, 4H8, 4HC, 4HL) 4.2 TDI quattro, AUDI A8 (4H2, 4H8, 4HC, 4HL) 4.2 TDI quattro, AUDI A8 (4H2, 4H8, 4HC, 4HL) 4.0 TFSI quattro, AUDI A8 (4H2, 4H8, 4HC, 4HL) 3.0 TDI quattro, AUDI A8 (4H2, 4H8, 4HC, 4HL) 3.0 TDI quattro, AUDI A8 (4H2, 4H8, 4HC, 4HL) 2.5 TFSI, AUDI A8 (4H2, 4H8, 4HC, 4HL) 3.0 TDI quattro, AUDI A8 (4H2, 4H8, 4HC, 4HL) S8 plus quattro, AUDI A8 (4H2, 4H8, 4HC, 4HL) 2.0 TFSI quattro, AUDI A8 (4H2, 4H8, 4HC, 4HL) S8 quattro, AUDI A8 (4H2, 4H8, 4HC, 4HL) 4.0 TFSI quattro View more

The steps may slightly vary depending on the car design.

This video shows the replacement procedure of a similar car part on another vehicle

All the parts you need to replace – Headlight Bulb for A8 (4H2, 4H8, 4HC, 4HL) and other AUDI models
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Tools
Replacement: headlight bulb – AUDI A8 (4H_). Tools you might need:
Electronic spray
Flat screwdriver
Replacement: headlight bulb – AUDI A8 (4H_). Professionals recommend:
  • The replacement procedure is identical for the left and right headlight bulbs.
  • Replace the bulbs in both headlights at a time.
  • All work should be done with the engine stopped.
Replacement: headlight bulb – AUDI A8 (4H_). Use the following procedure:
  1. Step 1
    Switch off the ignition. Open the hood.
    Step 2
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    Remove the headlight rear cover.
  2. Step 3
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    Detach the bulb holder by turning it by ~30°. Remove the holder from the headlight mounting seat.
  3. Step 4
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    Remove the old bulb. Use a flat screwdriver. Check the condition of the bulb holder terminals. Replace if necessary.
    Replacement: headlight bulb – AUDI A8 (4H_). AUTODOC recommends:
    Clean the bulb mounting seat on the holder.
  4. Step 5
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    Install a new bulb into the holder.
    AUTODOC recommends:
    Avoid touching the bulb glass. The finger marks left on it may cause failure.
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DIY AUDI A8 (4H2, 4H8, 4HC, 4HL) Headlight Bulb replacement - online guide
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