BMW X3 Series E83 Rear Right O/S Light Lamp Bulb Holder Panel 3418440 3414400

BMW X3 Series E83 Rear Right O/S Light Lamp Bulb Holder Panel is an original rear lighting system component designed for the right side of the vehicle. It ensures stable bulb seating, proper contact guidance, and a secure connection to the electrical harness, which translates into clear light signals and improved vehicle visibility on the road. This is a practical solution for users who want to restore full functionality to the rear lamp of their BMW while maintaining factory assembly and compatibility standards.

Specifications and technical data

• SKU: 3418440
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 3418440
• Substitutable numbers: 63213418440, 3418440, 63213414400, 3414400, 63213413452, 3413452
• Location on the vehicle: Rear, Right
• Category: Light Bulbs & LEDs

Purpose and function in the lighting system

The rear lamp bulb holder on the right side is responsible for precisely maintaining the bulbs in the correct position and ensuring their electrical connection to the vehicle's installation. A properly selected bulb housing minimizes the risk of looseness, light flickering, or intermittent operation of the turn signal, position light, or brake light. Thanks to the fitment for the specific BMW E83 model, the correct mounting points and the geometry of the light sources relative to the lamp lens are preserved.

Construction and fitment for BMW

The element has been designed as part of the LED Lamps and Lights system in BMW, taking into account the manufacturer's requirements regarding the arrangement of bulb sockets, routing of current paths, and the method of locking the holder in the lamp body. The design provides for:

• dedicated mounting locations for individual bulbs,
• integrated contacts ensuring stable electrical contact,
• a shape adapted to the rear right lamp in the BMW E83 body.

Such a solution allows for installation without modifications, while maintaining factory tightness and correct light distribution.

Benefits of using an original bulb holder

Using a dedicated bulb housing in the rear right lamp brings a number of practical benefits in daily operation:

• Stable lighting performance – proper contact guidance reduces the risk of overheating and oxidation of connections.
• Better signal clarity for other road users – correct positioning of bulbs relative to reflectors and the lens.
• Easier diagnostics and service – a clear layout of sockets facilitates the replacement of individual bulbs.
• Consistency with the factory BMW lighting system – no need to adapt the installation or use additional adapters.

Thanks to this, the rear lamp bulb holder is a functional element that restores full efficiency to the lighting system after damage or wear of the previous housing.

Product characteristics and condition

The offered bulb holder comes from BMW and is a secondary market component, which allows combining factory fitment with a cost-effective repair. The location on the vehicle is specified as the rear right side, which facilitates unambiguous selection of the part for a specific lamp. The product is intended for users who want to maintain the original lighting system design, avoiding random replacements with uncertain fitment.

Selection, installation, and additional support

Before installation, it is worth verifying the compatibility of the bulb holder with your lamp and BMW E83 body, paying attention to the shape of the lamp body, the arrangement of sockets, and the way the harness is connected. A properly selected element allows for installation in a plug-and-play manner, using factory mounting points and connectors. To facilitate identification, the part has an assigned OEM number and interchangeable numbers, which allows it to be precisely matched to a specific vehicle configuration.

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 bulb holders, control modules, or complete lamps, check the available parts in the BMW LED Lamps and Lights category.

To better understand the differences between individual lighting solutions and to make informed choices when selecting used components, it is worth reading the guide on our blog: See more and better – a complete guide to selecting and replacing used LED and Xenon headlights.