BMW F20 F21 Tail Light Rear Lamp Left N/S Plug Socket Wiring 7270097

BMW F20 F21 Tail Light Rear Lamp Left N/S Plug Socket Wiring is an original electrical installation component designed to support the rear left light assembly in BMW vehicles. It ensures a stable electrical connection between the lamp and the vehicle's wiring harness, which translates into the correct operation of the brake, position, and turn signal functions. This is a practical solution for users who want to restore the full functionality of the lighting system after damage to the factory connector.

Specifications and technical data

• SKU: 7270097-6
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7270097
• Substitutable numbers: 7270097, 63217270097
• Location on the vehicle: Rear, Left
• Category: Centre & Third Brake Light Assemblies

Purpose and function in the lighting system

The presented plug with a section of wiring is a component from the Main and center brake lights group, responsible for a secure electrical connection of the rear lamp on the driver's side. Its placement in the rear zone, on the left side of the body, allows for direct plugging into the original lamp and the factory vehicle harness, without the need to modify the installation.

Such a solution is particularly useful after mechanical damage to the connector, overheating of the contacts, or interference with the installation, when it is necessary to restore proper electrical contact and eliminate lighting errors on the dashboard.

Connector construction and assembly benefits

The plug has been designed as an installation element dedicated to a specific rear lamp, thanks to which it maintains the correct geometry, wire routing, and pin layout. This facilitates assembly in the body and minimizes the risk of improper connection.

• factory type of connector matched to the rear lamp on the left side,
• proper wire routing towards the main harness,
• possibility of use as a repair element without the need to replace the entire installation.

Thanks to maintaining the original connector design, you can achieve stable electrical contacts, which limits the risk of lamp flickering, pin overheating, or periodic power interruptions.

Component condition and service application

The offered plug with wiring comes from disassembly and is a component intended for further use as part of service repairs or replacement of a damaged connector. This type of component is often chosen as an economical alternative to purchasing a complete new harness, especially when only a fragment of the installation near the lamp has been damaged.

In workshop practice, such an element allows for:

• local repair of the installation near the rear lamp,
• restoration of proper operation of brake and position lights,
• reduction of repair time and cost compared to replacing the entire harness.

Why it is worth using a dedicated BMW rear lamp plug

Using a dedicated connector for the rear lamp in the BMW F20/F21 series allows for maintaining the consistency of the installation with the manufacturer's factory standards. The appropriate housing shape, wire routing, and fit to the lamp limit the risk of leaks and mechanical damage during operation.

Compared to universal soldered or custom-made solutions, the original design provides:

• better resistance to operating conditions in the rear part of the body,
• easier disassembly and assembly of the lamp during future repairs,
• preservation of aesthetics and order in the wiring harness.

Expanding the BMW lighting system upgrade

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 combination lamps, control modules, or additional wires, check the available parts in the BMW Main and center brake lights category.

If you are considering a wider upgrade of your car and want to better understand the specifics of this brand's power units, an article comparing popular diesel engines may be helpful – more information can be found in the material BMW N47 vs M57 / M57N / M57N2 – a ranking of legendary diesels.