BMW F31 LCI Rear Lamp Light Side Panel Right O/S Plug Socket Wiring 1-2141397-1

BMW F31 LCI Wiring Harness Connector Socket Right Rear Lamp 1-2141397-1 is a dedicated rear lighting electrical installation component, designed for mounting on the right side of the facelifted 3 Series Touring body. It ensures a secure connection of the lamp to the vehicle's wiring harness, providing stable power supply and correct operation of the rear light and brake light. By maintaining the original connector and wiring geometry, it offers a solution compliant with the original BMW installation, without the need for modifications.

Specifications and technical data

• SKU: 7372210-3
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7372210
• Substitutable numbers: 7372210, 63217372210, 1-2141397-1, 121413971
• Location on the vehicle: Rear, Right
• Category: Rear Light Assemblies

Purpose and Function in the Lighting System

The presented wiring harness with a lamp socket connector is a component of the Rear Lights and Brake Lights category, responsible for the electrical connection of the lamp to the vehicle's main wiring harness. Its placement on the rear right side allows for precise fitting to the specific lamp in the BMW 3 Series F31 LCI, reducing the risk of loose connections, contact overheating, or onboard diagnostic errors.

A properly selected rear lamp socket is crucial for:

• stable power supply to the position and brake lights,
• maintaining correct communication with the burnt-out bulb control system,
• preserving the seal of electrical connections within the lamp assembly.

Compatibility and Fitment for BMW

The wiring harness has been designed for the facelifted BMW F31 platform, meaning the connector geometry, wire length, and mounting method are adapted to the factory mounting points. This ensures a tidy installation process, without the need for interference with the original wiring harness or the use of adapters.

Manufacturer markings and assignment to a specific body version allow this component to be treated as a part compliant with BMW requirements for rear lighting installations. This is particularly important in vehicles equipped with advanced diagnostic systems, which are sensitive to incorrect resistances or unstable connections.

Condition, Service Application, and Installation

This item comes from the secondary market, making it an attractive cost-effective alternative to new components while retaining its original construction. This type of wiring harness is often used for:

• repairs after mechanical damage to the rear lamp,
• resolving issues with intermittent lighting,
• restoring the original installation state after previous modifications.

Installation involves connecting the socket to the lamp and integrating it with the existing vehicle wiring harness at the designated location on the rear right side of the body. Maintaining the original wire routing facilitates servicing and subsequent diagnostics.

Benefits of Using Original Lamp Wiring

Using a dedicated wiring harness with a rear lamp socket connector in the BMW F31 LCI offers a range of practical benefits:

• Full compatibility with BMW installation – correct connector type and wire assignment to lamp functions.
• Reduced risk of errors in the light control system – correct electrical values in the circuit.
• Easier diagnostics – preserved factory wiring layout and connection points.
• Order in the electrical harness – no need for soldering or using universal adapters.

For users and workshops specializing in the BMW brand, this solution means faster repairs, a lower risk of secondary faults, and consistency with factory technical documentation.

Other BMW Rear Lights and Brake Lights

If you are also looking for other components in the BMW Rear Lights and Brake Lights category, check out the BMW Rear Lights and Brake Lights available in our assortment to find a complete solution for your car.

For those interested in a broader context of selecting used OEM components in BMW/Mini group cars, we recommend the advisory article Go-Kart Feeling XXL: Used N18 Turbocharger vs. B48 – What to Choose for a Mini Cooper S?, which discusses the practical aspects of selecting and installing parts from the secondary market.