BMW E82 E88 Taillight Tail Light Lamp Right Rear O/S Wire Harness Loom 7285642

BMW E82 E88 Taillight Tail Light Lamp Right Rear O/S Wire Harness Loom is an original electrical installation component designed to support the right rear lamp in coupé and cabriolet body styles. Thanks to its factory-fit design for BMW electrical systems, it ensures a stable electrical connection, reduces the risk of lighting errors, and simplifies maintenance. It is a practical solution for replacing a damaged harness, post-accident repairs, or troubleshooting rear lighting issues.

Specifications and technical data

• SKU: 4869810-4
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 4869810
• Substitutable numbers: 7285642, 63217285642, 63214869810, 4869810, 63216924520, 6924520
• Location on the vehicle: Rear, Right
• Category: Other Starters, Alternators, ECUs & Wiring

Purpose and function in the vehicle

The wire harness is designed for installation in the rear right section of the vehicle, in the area of the tail light assembly. It is responsible for transmitting electrical signals to individual lighting functions, such as position lights, brake lights, turn signals, or reversing lights, in accordance with the configuration of the specific lamp used in the BMW 1 Series E82/E88.

A correctly selected harness eliminates the need for wiring modifications, which is particularly important during post-collision repairs, replacing the lamp with an OEM part, or restoring the vehicle to factory condition.

Construction and BMW compatibility

The component has been developed as part of the original BMW installation, ensuring correct wire lengths, the appropriate connector layout, and compatibility with factory mounting points. This solution:

• facilitates wire routing in the trunk and near the wheel arch,
• ensures proper alignment with the lamp and bodywork,
• reduces the risk of chafing, short circuits, and moisture-related issues.

The harness is prepared for use with original BMW connectors, which translates into reliable electrical contacts and lower susceptibility to interference or voltage drops in the lighting circuit.

Service application and benefits of installation

Replacing the right rear tail light wire harness is recommended in situations where you experience:

• intermittent light operation or lighting error messages on the dashboard,
• signs of overheating, corrosion, or mechanical damage to the wires,
• bodywork repairs in the rear of the vehicle requiring the restoration of the installation.

Using an original harness dedicated to the BMW E82/E88 allows for maintaining the consistency of the installation with the manufacturer's service documentation, which facilitates subsequent diagnostics and any potential future repairs.

Characteristics of the used product

The offered wire harness comes from dismantling and is classified as a used part. For many users, this is a reasonable compromise between repair costs and maintaining original BMW quality. Unlike universal replacements, the OEM component ensures a proper fit for the specific body version and electrical system.

During installation, standard service procedures are recommended: checking the condition of the connectors, proper wire routing, and verifying the operation of all lighting functions after the work is completed.

Installation expansion and selection of related components

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 additional harnesses, lamp connectors, or sections of the trunk installation, check out the available parts in the Other BMW category.

For more extensive projects, such as increasing engine power, improving handling, or upgrading brakes, it may be helpful to compare solutions used in sports versions of other brands – you can find a practical summary in the article Audi RS vs other models – what is hidden under the hood and chassis?.

If you are considering using original parts from dismantling for a wider range of repairs, it is worth reading the guide on the impact of such parts on the vehicle's resale value: Original used parts and car resale price – how not to lose money?.