Description
The BMW F30/F31 Left Front Headlight Harness Socket is an original lighting system component designed for factory headlights featuring LED lamps and lights technology. It enables proper connection of the driver’s side headlight, ensuring stable power supply and communication with the vehicle’s electronics.
Specifications and technical data
- SKU: rhd-7259539-3
- Mark: BMW (Genuine OE)
- Condition: Used
- OEM Part Number: 7259539
- Substitutable numbers: 7259539, 63117259539, 6925638
- Location on the vehicle: Front, Left
- Category: Light Bulbs & LEDs
Application and Purpose
The presented socket with harness is intended for installation on the front left side of BMW F30/F31 vehicles, replacing the factory headlight connector. This component works with the original LED headlight, allowing for:
- secure electrical connection to the vehicle’s wiring harness,
- stable power supply to the lighting modules,
- correct operation of low beam, high beam, and parking light functions (according to the specific headlight’s configuration).
Construction and Technical Characteristics
The socket with harness is designed as an OEM BMW installation component, meaning it is precisely fitted to the factory headlight connectors and features appropriate wire geometry. The construction includes:
- a dedicated plug for the left-side headlight,
- appropriately selected wire length for the F30/F31 engine bay,
- connectors prepared for integration with the original vehicle harness.
This ensures installation without any modifications to the existing wiring, and the connections remain compliant with the original BMW electrical documentation.
Benefits of Using an Original Headlight Socket
Using the original left-side headlight harness socket offers several practical benefits:
- Factory Fitment – the correct geometry of connectors and wires minimizes the risk of stress, chafing, and looseness at the connections.
- Stable LED Lighting Operation – proper contacts and wire gauges promote even power supply to the lighting modules.
- Trouble-Free Diagnostics – maintaining the original wiring architecture facilitates the work of service testers and the localization of potential faults.
- Electrical Safety – the absence of soldering or the need for adapter fabrication reduces the risk of overheating and voltage drops.
Component Condition and Service Application
This item is a used component from a dismantled vehicle, offered as a used lighting system component. It is a practical service solution for situations where the factory socket has been damaged, wires have melted, or the wiring harness was tampered with during previous repairs. Replacing just the socket with harness allows for:
- restoring the correct headlight connection without replacing the entire main wiring harness,
- reducing repair costs while maintaining original quality,
- ensuring compliance with the original BMW F30/F31 electrical schematic.
Selection and Additional Technical Materials
Before purchasing, it is advisable to compare the connector shape and wire arrangement with the component installed in your vehicle to confirm compatibility with your specific headlight version. If you have any doubts regarding the selection of used LED or Xenon headlights and lighting accessories for BMW, the following article may be helpful: See More and Better – A Complete Guide to Selecting and Replacing Used LED and Xenon Headlights.
Other BMW LED Lamps and Lights
If you are also looking for other BMW LED lamps and lights for your car, check out the dedicated category in our store: BMW LED Lamps and Lights. This will help you easily assemble a complete set of lighting components compatible with your model.





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