BMW E81 E87 LCI Tail Light Rear Lamp Left N/S Plug Socket Wiring 6984756

BMW E81 E87 LCI Tail Light Rear Lamp Left N/S Plug Socket Wiring is an original rear lighting installation component, designed for installation on the left side of facelifted BMW 1 Series models. Thanks to its factory design, it ensures a secure electrical connection for the tail light, stable operation of the position light, brake light, and turn signal, as well as consistency with the vehicle's factory wiring harness.

Specifications and technical data

• SKU: 6984756-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6984756
• Substitutable numbers: 63217181297, 7181297, 6984756
• Location on the vehicle: Rear, Left
• Category: Rear Light Assemblies

Purpose and function of the tail light socket

The presented socket with plug and wiring is responsible for safe and stable power supply to the left tail light in BMW E81 and E87 LCI versions. This component acts as an intermediate link between the main vehicle wiring harness and the light module, minimizing the risk of loose contacts, overheating of terminals, or intermittent lighting failures.

Its location in the rear area of the vehicle means the socket operates under conditions exposed to vibrations, temperature changes, and moisture. The OEM design used is optimized for resistance to these factors, which translates into predictable lighting system performance and compliance with factory safety parameters.

Construction and fitment for BMW E81 / E87 LCI

The socket has been designed specifically for the facelifted BMW 1 Series E81/E87 platform, taking into account the geometry of the lamp, cable routing, and mounting method. As a result:

• it fits the factory light socket on the left rear side of the body,
• it allows for correct cable routing without excessive tension,
• it ensures compatibility with the original BMW electrical wiring harness.

Proper structural fitment reduces the need for installation modifications, which is important both from the point of view of durability and maintaining compliance with the manufacturer's service documentation.

Benefits of using an original socket

Using a dedicated tail light socket in the BMW E81/E87 LCI brings a number of practical operational benefits:

• Stable lighting operation – proper electrical contact reduces the risk of flickering, failure, or control errors related to the tail light.
• Compatibility with vehicle electronics – the component is adapted to BMW installation parameters, which promotes proper cooperation with diagnostic and control systems.
• Easier diagnostics and service – maintaining the factory connection layout facilitates work for both independent and authorized service centers.
• Aesthetic cable routing – the proper length and geometry of the cable promote organized installation in the space behind the lamp.

Characteristics of the used component

The offered component comes from dismantling and is a used part, which allows for an economical repair of the lighting system while maintaining the original BMW specification. This type of solution is particularly beneficial in the case of post-accident repairs, replacing a damaged socket after terminal overheating, or in the event of connection corrosion problems.

Choosing a used OEM socket allows you to maintain the consistency of the electrical installation with the manufacturer's factory standards, without the need for universal adapters or wiring modifications that could reduce system reliability.

Support with selection and related categories

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 bulb holders, lamp harnesses, or complete light modules, check the available parts in the BMW tail lights and brake lights category.

If you are considering broader use of components from dismantling in your car and want to better understand when choosing used parts is technically justified, the guide article Second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors? will be helpful, where you will find practical tips regarding the selection of used elements and assessing their suitability.