Plug Socket BMW E91 LCI Rear Light Lamp Side Panel Left N/S Wiring 6984754

The BMW E91 Touring Rear Side Lamp Wiring Harness Left is an original electrical system component designed to serve the driver's side rear side lamp in the Touring body style. It enables proper power supply and control of lighting functions, ensuring a stable connection with the vehicle's factory wiring. By adhering to BMW specifications, the harness is a precisely fitted component for the rear lighting system.

Specifications and technical data

• SKU: 7289431-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7289431
• Substitutable numbers: 63217289431, 7289431, 63214871737, 4871737, 63217154159, 7154159, 6984754
• Location on the vehicle: Rear, Left
• Category: Rear Light Assemblies

Purpose and Function of the Side Lamp Wiring Harness

The presented wiring harness is part of the Rear Lights & Brake Lights category, responsible for connecting the rear side lamp to the vehicle's main electrical system. Its placement on the vehicle is the rear, left side, meaning this component operates in an area particularly exposed to moisture, vibrations, and temperature changes. The use of a dedicated wiring harness ensures the correct operation of:

• rear position and signaling lights,
• functions related to driving safety after dark,
• stable transmission of electrical signals to the side lamp.

Original Origin and Compatibility

The wiring harness originates from the BMW group, which translates to compatibility with factory connectors, wire gauges, and mounting standards used in the E91 Touring model. The original design eliminates the need for wiring modifications, soldering, or custom adapters, thereby reducing the risk of subsequent electrical faults.

An additional advantage is the presence of dedicated interchangeable part numbers, which facilitates verification of compatibility with specific equipment versions and car model years. This allows the wiring harness to be safely used as a replacement for a damaged component in the factory lighting system.

Condition, Construction, and Installation Aspects

The item is offered in a used condition, meaning it comes from a dismantling but retains the functionality necessary for further operation. The wiring harness construction includes factory connectors, appropriately selected wire gauges, and insulation adapted for operation in the rear part of the body.

Its placement on the vehicle (rear, left side) ensures an organized installation process – wire routing follows factory paths, and mounting points correspond to original body brackets. In practice, this translates to:

• easier identification of the installation location,
• reduced time required to replace a damaged harness,
• maintaining aesthetics and order in the luggage compartment and behind the side trim panels.

Benefits of Using an Original BMW Wiring Harness

Using a wiring harness dedicated to the BMW E91 Touring allows for the restoration of full rear lighting system functionality without quality compromises. Key benefits include:

• Factory Fitment – compliance with BMW standards minimizes the risk of installation errors and diagnostic issues.
• Stable Lighting Operation – proper electrical connections reduce the risk of flickering, light outages, or dashboard error messages.
• Safe Operation – correctly functioning rear lights and brake lights increase vehicle visibility and road safety.

Other BMW Rear Lights & Brake Lights and Guide Materials

If you are also looking for other BMW Rear Lights & Brake Lights compatible with your model, check out the BMW Rear Lights & Brake Lights available in our store, where you will find a wide selection of lighting components for various BMW series.

When planning further vehicle operation using parts from dismantling, it is worth familiarizing yourself with practical tips on selecting and using used components. The guide article Used Car Parts for Mini Cooper – A Way to Style and Save may be helpful, discussing how to consciously choose parts from the secondary market, combining reasonable costs with appropriate quality.