BMW F45 LCI Light Bulb Holder Rear Left Right N/O/S Tailgate Lamp Socket 8737649

BMW F45 LCI Light Bulb Holder Rear Left Right N/O/S Tailgate Lamp Socket is an original lighting system component designed for installation in the rear of the vehicle. Thanks to its precise fit to the tailgate structure, it ensures stable bulb seating, proper electrical connection, and consistency with the factory lighting system. This is a practical solution for users who want to restore full lighting functionality without compromising on quality by using original BMW components.

Specifications and technical data

• SKU: 8737649
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8737649
• Substitutable numbers: 8737649, 63218737649
• Location on the vehicle: Rear, Right, Left
• Category: Light Bulbs & LEDs

Purpose and function in the lighting system

The presented bulb holder is a component mounted in the rear of the vehicle, on the left or right side, within the lamp located in the tailgate. It is responsible for:

• mechanically holding the bulbs in the correct operating position,
• ensuring a stable electrical contact with the vehicle's wiring,
• proper operation of position lights, brake lights, or turn signals depending on the lamp configuration,
• safe heat dissipation from the bulb sockets.

Thanks to the factory design, the holder works with the original wiring harness and lamp construction, which facilitates installation and reduces the risk of installation errors.

Compatibility with BMW F45 LCI

The holder has been designed specifically for the BMW F45 facelift (LCI) version, which means its geometry, mounting points, and contact layout are consistent with the factory tailgate lamps. The lack of need for installation modifications or component adjustments translates into:

• secure fitment with the lamp housing,
• correct positioning of the bulbs relative to the reflectors and lens,
• preservation of factory lighting parameters and light distribution.

Such a solution is particularly beneficial for post-accident repairs or replacing worn-out components when maintaining compliance with the manufacturer's original specification is a priority.

Category Lamps and LED lights – the role of the bulb holder

Although the bulb holder is an auxiliary component in the Lamps and LED lights category, it has a direct impact on the reliability of the entire lighting system. A properly selected component:

• minimizes the risk of flickering lights caused by poor contact,
• limits the possibility of socket overheating,
• facilitates service – bulb replacement is quick and repeatable,
• ensures compatibility with the vehicle's light control systems.

For users who want to maintain efficient and clear rear lighting, using an original holder is a technically safe and predictable solution in operation.

Characteristics of the used component

The offered bulb holder is a used part, sourced from dismantling, which allows for maintaining factory build quality while optimizing repair costs. This type of component is particularly attractive to users who:

• prefer original components over cheap replacements,
• want to maintain the technical consistency of the entire lighting system,
• are looking for solutions compliant with the original BMW specification.

Before installation, it is recommended to perform a standard check of the contacts and mounting surfaces to ensure trouble-free operation over a long period.

Safety and lighting quality – practical knowledge

Selecting the right components for the lighting system has a direct impact on driving safety, vehicle visibility, and the durability of the entire installation. If you want to better understand why original and used lighting components often outperform cheap replacements in terms of reliability, it is worth reading the article: Original lamps or replacements? Check why used headlights are a guarantee of safety and perfect lighting.

Expanding the BMW 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 additional bulb holders, lamp modules, or complete light assemblies, check the available parts in the BMW Lamps and LED lights category.