If you like to upgrade your projector assembly in DEPO headlights for facelifted Audi A4 B5 for whatever reason here is a simple solution:
you need this 4TL-R 2.5" projector
https://www.aliexpress.com/item/32759121526.html
these are also available from other sources, but I did not test them and can not tell if they are same.
https://my.aliexpress.com/wishlist/shared.htm?groupId=100000023931021
and also here:
https://www.theretrofitsource.com/bi-xenon-4tl-r-P-M-4TLR?quantity=1
Next, you need the template for drilling which can be brought from my tindie store:
https://www.tindie.com/products/tomaskovacik/template-for-25-bixenon-depo-audi-a4-b5-lights/
With this template also comes document with detailed instructions on how to modify the projector to fit. It requires 4holes to be drilled into projector and made few cuts into projector to clear inside of headlights.
Here are some sample pictures:
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The adapter bolted to projector prior drilling new mounting holes. |
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Projector inside DEPO headlight. |
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Finally inside. |
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High beams |

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