It's pretty easy, you can keep your stock housing and just replace the bulbs and mount the ballast (Hella).
Pros: pretty easy install
Vehicle:
Audi A4
Reviews of Hella ballast
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3 votes
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1 review
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What we know about Hella ballast
The brand is registered in Germany. Official website: https://www.hella.com.
In March 2026, PartReview does not yet have a formed opinion of Hella ballast. You can help by adding a review for Hella ballast.
Currently there are 1 review and 3 votes. Average rating — 5 out of 5. Vote balance: 3 up, 0 down.
Users also evaluated the qualities of Hella ballast:
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Ballast Hella in car-specific ratings
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