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Upgrade the lighting signature of compatible BMW 3 Series G20, G21 and selected market-specific G28 pre-LCI BMW Laserlight headlights with this matched 4-piece yellow DRL and amber indicator LED board set.
Unlike a simple DRL-only colour conversion, these boards are designed for the headlamp system in which the relevant LED modules perform both the daytime running light and direction-indicator functions. The result is a distinctive yellow daytime-running-light appearance while retaining the amber indicator function.
IMPORTANT FITMENT: This set is intended for compatible pre-LCI EU-spec BMW Laserlight / high-spec headlights using the OE reference family shown below. It is not suitable for every G20/G21/G28 headlight. Please compare your original LED boards, connector layout and OE numbers with our photographs before ordering.
The four replacement PCB boards change the original white DRL light source to a distinctive yellow DRL appearance. The boards also incorporate the LED light source used for the headlamp's amber turn-indicator function.
| Manufacturer | BMW |
| Series | 3 Series |
| G20 | Saloon – selected pre-LCI EU-spec Laserlight models |
| G21 | Touring – selected pre-LCI EU-spec Laserlight models |
| G28 | Long-wheelbase / market-specific pre-LCI applications |
| Headlight Type | BMW Laserlight / high-spec EU headlight |
| BMW Option | S5AZA / 5AZ BMW Laserlight where applicable |
Not suitable for: standard/low-spec LED headlights, US-spec high headlights, G20/G21/G28 LCI headlights or any headlamp using a different PCB/contact configuration.
| Yellow Board References | 63118737143Y / 63118737144Y / 63119477986Y |
| BMW OE Left | 63118737143 / 63 11 8 737 143 / 8737143 |
| BMW OE Right | 63118737144 / 63 11 8 737 144 / 8737144 |
Please note: the numbers ending in Y identify the yellow-output replacement PCB versions. They are not BMW genuine OE part numbers.
The following approximate measurements were taken from the replacement LED boards:
| Board Type | Length | Width | Thickness |
|---|---|---|---|
| Longer boards – 2 supplied | 47 mm | 25 mm | 2 mm |
| Shorter boards – 2 supplied | 20 mm | 23 mm | 2 mm |
Dimensions are provided as an additional identification aid. The PCB shape, mounting points, electrical contacts and OE reference should all be checked against the original board before ordering.
Total: 4 LED boards – complete set for both headlights.
Complete headlight assemblies, control units and other components shown for illustration are not included.
The product photographs show the actual LED board design supplied, including the PCB shapes, mounting holes, electrical-contact fingers and LED positions. Please use these photographs as an important visual reference when comparing the product with the boards removed from your original headlights.
This is an internal headlight component. Access to the original LED light-source boards requires removal and disassembly of the relevant headlamp components, so professional installation is recommended.
Yellow DRL colour: UK MOT requirements specify that mandatory daytime running lamps must emit white light. Because this product changes the factory DRL output from white to yellow, it is sold for show, display and off-road styling use. The amber direction-indicator function is separate from the yellow DRL output. Vehicle owners and installers are responsible for ensuring that the vehicle complies with applicable road-use regulations.
BMW used several different headlight specifications across the G20/G21/G28 range. Please do not purchase solely by vehicle model or year.
For the most reliable identification, check:
Does this set make the BMW DRLs yellow?
Yes. The replacement LED boards are designed to produce a yellow daytime-running-light appearance when installed in the correct compatible headlight.
Does the indicator still work?
Yes. This particular headlight module family combines daytime-running-light and turn-indicator functions, and this replacement set is designed to retain the amber indicator function.
How many LED boards are supplied?
Four boards are supplied: two longer boards and two shorter boards, providing a matched set for the left and right headlights.
Will these fit every BMW G20 or G21?
No. BMW used different headlight systems and LED modules. This set is intended for compatible pre-LCI EU-spec BMW Laserlight / high-spec headlights using the corresponding OE module references. Always compare the original boards before ordering.
Are complete headlights included?
No. This listing is for the four internal LED PCB boards only.
Are yellow DRLs road legal in the UK?
Mandatory DRLs are required to emit white light under the UK MOT inspection requirements. This yellow DRL conversion is therefore sold for show, display and off-road styling use.
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