Custom Lighting Guides
Buying guides, fitting guides and fixes for custom headlights, angel eyes and lighting upgrades.
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Buying guide
Can I have a 1/1 custom headlight build?
Yes: a one-off build is a custom headlight spec made for your car alone, and this is how it differs from a standard build and how to start one.Read the guide → -
How-to
My car's headlights aren't listed: what to do
If your car or headlight is not on our custom headlight list, send your registration and a front photo, and we will tell you what we can build.Read the guide → -
Buying guide
Custom headlights: what they are and what you can add
Custom headlights are your own headlights converted to a style you choose: what they are, the popular upgrades, and how to plan your build.Read the guide → -
Buying guide
Custom headlight options: angel eyes, eyebrows, demon eyes and more
The options you can add to a custom headlight build, from angel eye shapes and eyebrows to demon eyes, X accent lighting and etched lenses.Read the guide → -
How-to
How a custom headlight build works, step by step
Every step of a custom headlight build, from your photos and spec to the video call sign-off, testing and fitting.Read the guide → -
How-to
How to replace a BavGruppe Design eyebrow driver
Step by step: replacing a faulty BavGruppe Design eyebrow driver with the matched replacement we send you.Read the guide → -
Troubleshooting
Misting and condensation in custom headlights
Some misting is normal in any headlight: how to tell it from condensation, why it happens, how to reduce it and what to send us.Read the guide → -
Buying guide
High beam multi-LED array upgrade
Our KYCS multi-LED high beam array is a long-range pencil beam that pairs with a bi-LED or bi-xenon low beam.Read the guide → -
Buying guide
Halogen vs bi-xenon vs bi-LED: lighting technology compared
Halogen, bi-xenon and bi-LED headlights tested side by side, with lux readings for low and high beam and photos of each beam.Read the guide → -
Buying guide
Angel eye colour upgrades
Angel eyes are white as standard; these are the colour upgrades for KYCS and BavGruppe Design angel eyes, and what each does.Read the guide → -
Buying guide
KYCS vs BavGruppe Design angel eyes
KYCS angel eyes are our cost-effective in-house range, and BavGruppe Design the brighter, premium option: here's how they compare.Read the guide →