
Plug & Play Install
Factory-matched connectors
Fitment Verified
Checked per exact vehicle
1-Year Warranty
Pre-shipment QC
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Bulk & samples friendly
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Replacement DRL light guide strip for the BMW 4 SERIES (2017-2019). The daytime running light (DRL) often dims or fails when the LED board overheats or the light guide strip yellows from UV exposure. Replacing the DRL light guide strip and LED board restores the sharp, even illumination without replacing the entire headlight.
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Description
If your car's daytime running lights turn yellow, dim or fail, you don’t need to replace the entire headlight assembly — just replace the DRL guide strip tube and DRL board. Easy installation.
Feature
Which vehicles does the BMW 4 SERIES DRL Light Guide Strip fit?
It fits 3 verified vehicle platforms: BMW 4 Series F36 (2017-2019); BMW 4 Series F33 (2017-2019); BMW 4 Series F32 (2017-2019). Use the fitment checker on this page to confirm your exact year, make and model before ordering.
Is the BMW 4 SERIES DRL Light Guide Strip difficult to install?
The strip sits inside the headlamp, so the lamp must be removed and opened to reach it - many owners hand this one to a shop.
Does the BMW 4 SERIES DRL Light Guide Strip replace the factory part?
Yes — it replaces the factory light guide strips one-for-one, using the OEM mounting points and connectors, with no modification needed. Replacing the DRL light guide strip and LED board restores the sharp, even illumination without replacing the entire headlight.