BMW 3 Series F30 LCI 330e Hybrid High Voltage Battery Seal Gasket 8626643

The BMW 3 Series F30 LCI 330e Hybrid High Voltage Battery Seal Gasket is an original BMW component designed to protect the high-voltage battery housing in the plug-in hybrid version. The carefully engineered sealing profile helps maintain the proper airtight integrity of the battery compartment, which supports the safe and stable operation of the entire high-voltage system.

Specifications and technical data

• SKU: 8626643
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8626643
• Substitutable numbers: 61278626643, 8626643, KZ
• Category: Floor Mats, Carpets & Boot Liners

Purpose and technical function

This gasket is a component dedicated to the BMW 3 Series F30 LCI 330e Hybrid model, where it is responsible for isolating the high-voltage battery compartment from external factors. A correctly selected and installed gasket reduces the risk of moisture and contaminants entering the battery area, which is essential for the durability of electrical components and the stability of the hybrid system's operating parameters.

Its original BMW origin ensures that factory dimensional tolerances are maintained, allowing the component to work with the battery housing without the need for additional modifications. This is particularly important when servicing hybrid vehicles, where the tightness and proper routing of HV harnesses and modules are crucial for operational safety.

Construction and fitment

The high-voltage battery seal gasket has been designed as a component mounted in the specific battery assembly layout of the BMW 3 Series F30 LCI 330e. The shape and cross-section of the profile are adapted to the factory housing, which facilitates installation and allows for uniform pressure to be maintained around the entire perimeter. This makes it possible to maintain a stable sealing line without local leaks or stresses.

The element comes from the Trunk liners, mats, and trays category, which in practice means it is associated with the trunk area and the space where the high-voltage battery is most commonly located in this model. Such placement requires a component resistant to typical operational loads in this part of the vehicle, such as temperature changes or minor contaminants.

Condition, origin, and service application

The offered gasket is a used item, sourced from the dismantling of an original BMW vehicle. For many users and workshops, this represents a cost-effective service solution – it allows for maintaining factory fitment and material characteristics while reducing repair costs compared to new non-original replacements.

In practice, such a part is suitable for:

• repairs or replacement of the high-voltage battery in the BMW 3 Series F30 LCI 330e,
• eliminating leaks within the hybrid battery compartment,
• restoring the factory assembly after previous service interventions.

Before installation, a standard visual inspection and proper positioning of the gasket in accordance with BMW service documentation are recommended to fully utilize its sealing properties.

Benefits of using an original BMW gasket

Using an original BMW component in the high-voltage system provides a number of practical benefits:

• maintaining compatibility with the factory design of the hybrid battery housing,
• reducing the risk of fitment issues typical of universal sealing profiles,
• supporting the stable operation of the HV system by properly protecting the battery compartment from external factors.

This approach is particularly valued in professional workshops dealing with hybrid vehicles, where the repeatability of the repair result and compliance with the manufacturer's guidelines are paramount.

If you are considering whether a refurbished part or a used original part is a better choice in a given case, the following article may be helpful: Refurbished or used original – which part to choose for repairs?, which discusses the practical differences between these solutions using popular components as examples.

Selection support and other items in this category

When selecting a gasket for a specific BMW 3 Series F30 LCI 330e configuration, it is worth paying attention to compatibility with the body version and the type of battery assembly. In case of doubt, it is helpful to compare the shape and routing of the gasket with the factory-installed element or consult a specialized BMW service center.

If you are planning a comprehensive repair or upgrade of the trunk area in your BMW and need other items from the same group, such as liners, mats, or protective trays, check the available parts in the BMW trunk liners, mats, and trays category.