BMW E70 E83 LCI Rear Light Bulb Holder Cable Wiring Tailgate Lamp Socket 7258417

BMW E70 E83 LCI Bulb Holder Cable Rear Lamp Socket is an original lighting installation component designed for mounting in the rear lamp of BMW vehicles. Thanks to its factory-fitted mounting geometry and appropriately routed cable, it ensures stable bulb seating, a secure electrical connection, and correct rear lighting operation. This is a practical solution for users who want to restore full lamp functionality without interfering with the vehicle's wiring harness.

Specifications and technical data

• SKU: 7258417
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7258417
• Substitutable numbers: 7258417, 63217258417, 7217893, 63217217893
• Location on the vehicle: Rear
• Category: Light Bulbs & LEDs

Purpose and Function in the Lighting System

The presented bulb holder with cable and socket is a component from the LED Lamps and Lights category, responsible for the mechanical stabilization of the light source and its electrical connection within the rear lamp. Its placement on the vehicle, specified as the rear, means the part works with the rear lamp assembly, supporting functions such as the position light, brake light, turn signal, or reverse light – depending on the specific lamp's configuration.

By adhering to the original BMW standard, the holder ensures:

• correct bulb positioning relative to the reflector and lens,
• proper electrical contact in the socket,
• compatibility with the original rear lamp wiring harness.

Construction of the Bulb Holder and Socket

The bulb holder integrated with the cable forms a complete connection module that can be directly transferred to the rear lamp housing. The design includes:

• a mounting area in the lamp – clips or guides matched to the original BMW lamp body,
• a bulb socket – prepared for the specific base type used in the given lamp variant,
• a cable section – allowing for safe routing of the connection to the vehicle's wiring harness.

This configuration reduces the risk of contact looseness, overheating of contacts, and incorrect illumination, which is particularly important in modern LED lamps and lights systems, where control units monitor the correct operation of circuits.

Benefits of Using an Original BMW Component

Using a bulb holder with a cable from BMW allows for maintaining the consistency of the electrical installation and the parameters specified by the vehicle manufacturer. In practice, this means:

• a secure fit to the rear lamp without the need for custom mounting,
• no need to cut or solder the factory wiring harness,
• a reduced risk of lighting errors reported by the onboard system.

A used part is a good choice for drivers who want to restore the lighting system's functionality in a cost-effective way, while maintaining original BMW quality and avoiding random aftermarket replacements with uncertain parameters.

Professional Installation and Lighting Diagnostics

When replacing the bulb holder with cable and socket, it is advisable to check the condition of the contacts, cable insulation, and the socket within the lamp itself. A correctly chosen component facilitates servicing, and its design promotes quick installation in workshop or garage conditions. For users who want to understand more broadly the principles of selecting and replacing lighting components, the guide will be useful: See More and Better – A Complete Guide to Selecting and Replacing Used LED and Xenon Headlights, which discusses practical aspects of working with original BMW lighting components.

Related BMW Lighting Components

If you are modernizing or repairing the rear lamp in your BMW and also need other compatible lighting components from this brand, such as additional holders, modules, or installation parts, check the available parts in the BMW LED Lamps and Lights category.