BMW E90 Light Cable Loom Lamp Socket Plug Wiring Rear Left N/S Trunk 7183841

BMW E90 Light Cable Loom Lamp Socket Plug Wiring Rear Left N/S Trunk is an original electrical installation component designed to support the rear left lighting assembly in BMW vehicles. It ensures a stable connection between the wiring harness and the lamp, which translates into the proper operation of the position lights, brake lights, and turn signals in the rear of the vehicle.

Specifications and technical data

• SKU: 7183841-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7183841
• Substitutable numbers: 7183841, 63217183841, 6937475, 63216937475
• Location on the vehicle: Rear, Left
• Category: Rear Light Assemblies

Purpose and function in the lighting system

The presented plug is a component from the Rear lights and brake lights group, mounted in the area of the rear left lamp. It is responsible for:

• secure, mechanical seating of the connector in the lamp socket,
• stable conduction of electrical signals to individual bulbs or modules in the lamp,
• minimizing the risk of circuit breaks due to body vibrations.

The location on the vehicle defined as rear – left side allows for unambiguous identification of the mounting position and facilitates the selection of the correct component during repair or replacement of a damaged connector.

Compatibility and part identification

The plug has been designed specifically for BMW E90 series models, which guarantees proper geometry, the correct pin layout, and fitment to the factory rear lamp. Identification is based on the OEM part number and associated interchangeable numbers, allowing for precise verification of compatibility with a specific vehicle configuration.

For users and workshops, this means:

• easier selection of the element in parts catalogs,
• reduced risk of purchasing an incompatible connector,
• the possibility of using the part in the process of professional lighting system repair.

Product characteristics and advantages of use

As a BMW element from the group of original components, the lamp socket plug maintains factory standards of workmanship and construction. A properly shaped housing and the correct contact layout allow for:

• trouble-free installation in place of the factory connector,
• maintaining the tightness of the connection within the lamp (depending on the seal and lamp housing used),
• maintaining the correct operation of the rear and brake lights after repairing the installation.

The product comes from dismantling, which in practice enables economical repair of the lighting system while maintaining the original technical specifications of the vehicle.

Application in service practice

BMW E90 Light Cable Loom Lamp Socket Plug Wiring Rear Left N/S Trunk will prove useful both in professional service centers and in independent workshops that carry out:

• repairs of damaged harnesses and connectors at the rear lamp,
• restoration of installations after collisions or bodywork interventions,
• replacement of faulty connectors causing light errors or messages on the dashboard.

Using an original connector allows maintaining the consistency of the electrical installation with the vehicle's factory design, which is important for both reliability and subsequent diagnostics.

Condition and verification before installation

The element is offered as a used component, which means it comes from a previously operated vehicle but is suitable for further use after proper installation. Before installation, it is recommended to perform a standard check of the contacts, housing, and proper crimping of the wires in the harness to ensure long-term and stable operation of the 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 combination lamps, control modules, or additional connectors, check the available parts in the BMW rear lights and brake lights category.

To better plan your repair budget and consciously choose recycled elements, it is worth familiarizing yourself with practical tips regarding the selection of used brake system components in the article Brake calipers under the microscope: How to effectively reduce the costs of brake system repair, which shows how to safely use proven used parts.