BMW E90 Light Cable Loom Lamp Socket Plug Wiring Rear Right O/S Trunk 7183842

BMW E90 Light Cable Loom Lamp Socket Plug Wiring Rear Right O/S Trunk is an original rear lighting installation component designed for the right side of the vehicle body. It ensures a stable electrical connection between the vehicle wiring harness and the tail light, which translates into reliable operation of the position and brake lights. This used OEM component is a sensible choice for drivers looking for a proven service solution for the BMW 3 Series E90.

Specifications and technical data

• SKU: 7183842-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7183842
• Substitutable numbers: 7183842, 63217183842, 6937476, 63216937476
• Location on the vehicle: Rear, Right
• Category: Rear Light Assemblies

Purpose and function in the lighting installation

The presented plug with a cable section is a component from the Rear lights and brake lights group, responsible for the correct power supply and control of the tail light on the right side of the vehicle. Its placement at the rear on the passenger side allows for direct integration with the factory lamp, without the need for installation modifications.

This type of solution is particularly useful for post-collision repairs, wiring damage, or lamp replacement, where the original connector has been melted, corroded, or mechanically damaged. Using a dedicated plug with a cable facilitates the restoration of proper circuit continuity and eliminates problems with flickering or inactive lights.

Benefits of using the original lamp plug

Choosing the original solution for the BMW E90 ensures:

• factory fitment to the lamp socket on the rear right side of the body,
• correct signal routing for position, brake, and turn signal lights (according to the lamp configuration),
• stable electrical connection, reducing the risk of voltage drops and installation errors,
• easier lighting system diagnostics compared to universal connectors.

As a result, the plug with a cable is a practical service solution that allows for restoring full functionality of the rear lighting without interfering with the lamp structure.

Installation characteristics and service application

The element is intended for installation in the rear, right part of the vehicle, in the immediate vicinity of the lamp. The used OEM component will work well both for post-accident repairs and for fixing faults resulting from long-term operation, such as oxidized contacts or broken wires.

In workshop practice, the plug with a cable allows you to:

• replace a damaged factory connector without replacing the entire wiring harness,
• maintain the original electrical installation routing in the BMW,
• reduce repair time compared to reconstructing the connector from scratch.

Thanks to this, it is a solution frequently chosen by services specializing in the BMW brand as well as by conscious users servicing their cars themselves.

Why it is worth choosing a used OEM element

A used lamp plug with a cable for the BMW E90 is a compromise between cost and quality. You receive a component originating from the original installation, designed specifically for this model, which translates into secure fitment and electrical compatibility. Compared to universal replacements, this reduces the risk of compatibility issues and the need for wiring modifications.

If you want to better understand how the availability of used OEM elements affects repair time and workshop workflow, check out the article Availability of car parts off the shelf vs. repair time – how do used OEM parts shorten workshop stays?, which discusses the practical aspects of using such solutions in more detail.

Expanding the repair with other BMW lighting elements

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 tail light assemblies, control modules, or additional wiring harnesses, check out the available parts in the BMW rear lights and brake lights category.