Rear Lamp BMW G30 F90 M5 Tail Light Cable Wiring Harness Left N/S 7376463

Visual condition of the part

The product shows signs of use visible in the photos.

Rear Lamp BMW G30 F90 M5 Tail Light Cable Wiring Harness Left N/S is an original lighting installation component designed for installation in the rear left part of the vehicle body. It ensures a stable electrical connection between the lamp and the vehicle's wiring system, which translates into the proper operation of the position lights, brake lights, and turn signals. This is a practical solution for users who want to restore full lighting functionality after a collision, body repair, or lamp replacement.

Specifications and technical data

• SKU: 7376463-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7376463
• Substitutable numbers: 7376463, 63217376463
• Location on the vehicle: Rear, Left
• Category: Rear Light Assemblies

Purpose and function in the lighting system

The presented wiring harness is an element of the Rear lights and brake lights category, responsible for supplying power and control signals to the rear lamp on the left side. Its location in the rear zone of the vehicle means that the component works with body modules, the brake light system, and turn signals, ensuring the correct operation of all lamp functions.

Thanks to its dedicated fit for the BMW G30 and F90 M5 series design, the harness routes the wires in accordance with the factory layout, which reduces the risk of chafing, looseness, and incorrect connections. This is particularly important during repairs after rear vehicle damage, when it is necessary to replace the lamp along with the wiring.

Construction and fit for BMW G30 / F90 M5

The tail light wiring harness has been designed as an installation element dedicated to a specific BMW platform, which translates into correct wire lengths, appropriate connectors, and a logical mounting layout. The use of original wiring minimizes the need for modifications, soldering, or the use of adapters, thereby reducing potential sources of electrical faults.

The location on the left side at the rear of the vehicle facilitates component identification during diagnostics and installation. A mechanic or automotive electrician can quickly locate the correct section of the installation, which shortens repair time and reduces the risk of errors when connecting the lamp.

Practical application and benefits of installation

The use of this wiring harness is particularly beneficial in situations where the factory wiring has been damaged, wires have melted, contacts have corroded, or the installation has been tampered with during previous repairs. Replacing it with an original component allows you to:

• restore full functionality of the rear and brake lights on the left side,
• reduce errors in lighting control systems,
• maintain compliance with the factory BMW electrical diagram,
• reduce the risk of technical inspection problems resulting from faulty lights.

A used component of this type is a reasonable cost choice while maintaining the proper fit for the specific model. In many cases, it is a more predictable solution than universal harnesses that require adaptation.

Condition, verification, and installation aspects

The offered wiring harness is a component removed from a vehicle, which allows for the preservation of original connectors and wire routing. Before installation, it is recommended to perform a standard check of the insulation condition, contacts, and any signs of previous repairs to ensure long-term and trouble-free operation. A correctly selected and connected element reduces the risk of circuit interruption, light flickering, or error messages appearing on the instrument cluster.

To maintain high reliability, it is worth installing the harness in accordance with the factory wire routing, using original clips and grommets. This approach improves the mechanical protection of the wires and promotes stable operation of the lighting system in the long term.

Expanding the BMW lighting system

If you are planning a comprehensive repair or upgrade of the rear lighting zone in your BMW and need other elements from the same group, such as lenses, control modules, or additional wires, check the available parts in the BMW rear lights and brake lights category.

For drivers interested in optimizing service costs and using used components in other brands, it is worth reading the comparative analysis of power units – you will find practical tips in the article Volkswagen 1.9 TDI vs 1.4 TSI – evolution of VW engines and repair costs, which shows how to consciously choose used parts in the context of long-term operation.