BMW F10 Light in Trunk Lid Left N/S Rear Lamp Plug Socket Wiring 8377246

BMW F10 Trunk Lamp Harness Rear Left 8377246 is an original electrical installation component designed to service the rear left-side lighting in BMW 5 Series F10 models. Thanks to its factory design, it ensures proper power supply and communication for the trunk lamp, which translates to safe and stable operation of the rear lights and brake lights. This is a practical solution for users who want to restore full lighting functionality after body repairs or installation damage.

Specifications and technical data

• SKU: 7203225-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7203225
• Substitutable numbers: 63217203225, 7203225, 8377246
• Location on the vehicle: Rear, Left
• Category: Rear Light Assemblies

Harness Purpose and Function

The presented harness is a component of the Rear Lights and Brake Lights system, responsible for connecting the trunk lamp to the vehicle's electrical installation. Its location on the vehicle is the rear, left side, meaning this component handles the light signals on this side of the body, in accordance with the factory layout of the BMW F10.

The harness enables the correct operation of functions such as the position light, brake light, or lighting related to the trunk lid operation, depending on the configuration used in a particular vehicle instance. Using an original design allows for compliance with factory electrical parameters and control logic.

Benefits of Using an Original BMW Harness

Using a dedicated harness for the BMW F10 offers a number of practical advantages:

• factory-matched connectors and wire lengths to the geometry of the rear body,
• maintained correct communication with lighting control modules,
• minimized risk of installation errors compared to universal modifications,
• easier diagnosis of potential faults in the future.

This ensures an organized installation process and stable operation of the lighting system, without accidental power interruptions or dashboard signaling issues. This is particularly important in modern vehicles where the lighting system is linked to safety systems.

Application in Repairs and Upgrades

The left-side trunk lamp harness is suitable for both standard replacement of a damaged component and for more extensive bodywork and electrical work on the rear of the vehicle. It can be used, among other things, after collisions, interventions on the trunk lid, or for repairs related to corrosion and wire damage.

This part comes from the group of used BMW parts, allowing for economical restoration of lighting system functionality while maintaining original specifications. This is a particularly beneficial solution for users who want to avoid costly installation modifications and simultaneously maintain compliance with factory standards.

Integration with the BMW F10 Rear Lighting Zone

The harness is designed to operate in the rear zone of the vehicle, where reliable operation of brake lights and position lights is crucial. A correctly selected component helps avoid problems such as flickering lamps, on-board computer errors, or incorrect operation of individual lighting functions.

If you are planning a comprehensive repair or upgrade of the rear lighting zone in your BMW and need other parts from the same group, such as wires, connectors, or complete lamp modules, check the available parts in the BMW Rear Lights and Brake Lights category.

Additional Information and Service Tips

When replacing the trunk lamp harness, it is worth paying attention to the condition of the sockets, seals, and wire routing in the trunk lid and body to avoid re-damaging the installation. Careful installation and checking of ground points help maintain stable electrical parameters for the entire system.

If you are interested in a broader context of cost-effective repairs using original used and aftermarket parts, you will find useful tips in the article Repairing a Volkswagen for Pennies? Discover How to Save on Original Car Parts, which discusses a practical approach to servicing popular models using the aftermarket.