BMW 3 Series E46 Fuel Tank Filler Rubber Seal Cover Pot 8208646

BMW 3 Series E46 Fuel Tank Filler Rubber Seal Cover Pot is an original component from the Fuel filler flaps and accessories group, designed for 3 Series E46 models. It ensures a tight fit for the filler cover, stabilizes its position, and helps protect the area around the fuel inlet from dirt and moisture, which translates into safer operation of the fuel system.

Specifications and technical data

• SKU: 8208646
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8208646
• Substitutable numbers: 8208646, 51718208646, EM
• Category: Fuel Flaps & Components

Purpose and function in the fuel system

The presented fuel tank filler rubber seal is dedicated to the BMW 3 Series E46 and serves as a mounting element between the flap and the filler recess. Its tasks include:

• sealing the space around the fuel filler cover,
• limiting the ingress of dirt, dust, and water into the filler area,
• dampening minor vibrations of the cover while driving,
• maintaining an aesthetic and stable fit of the flap in the bodywork.

By maintaining proper sealing in the fuel filler area, the risk of corrosion of metal components and problems with opening and closing the flap over the long term is reduced.

Original origin and fit for BMW

The seal comes from the BMW range, which means that factory fitment parameters for the E46 body are maintained. The original geometry and rubber profile ensure proper adhesion to the edges of the filler recess and compatibility with the stock fuel cover used in this model.

In practice, this translates into:

• secure fitment with body components without the need for modifications,
• preservation of the factory body line in the filler area,
• easier installation compared to universal profile replacements.

Material characteristics and operation

The element is made of flexible rubber material adapted for operation in outdoor conditions, in the immediate vicinity of the fuel filler. The material is resistant to typical operational loads, such as:

• temperature changes in the range typical for the bodywork,
• contact with moisture and road grime,
• repeated opening and closing of the filler cover.

The properly selected hardness of the rubber allows for maintaining a seal while ensuring comfortable flap operation, without excessive resistance when closing it.

Condition and service application

The offered seal is a used item, which makes it an attractive service solution for users looking for original BMW components at a reasonable price. It is suitable both for replacing a worn or perished seal and for post-accident repairs in the fuel filler area, when it is necessary to restore the correct geometry and sealing of this zone.

Replacing the seal is a typical workshop operation that can be performed during other bodywork and paint jobs or during comprehensive fuel system service to restore proper operating conditions in the filler area.

Integration with the fuel system and service knowledge

Due to the immediate proximity of the fuel tank and lines, the proper condition of the filler cover seal is important for the overall hygiene of the fuel system. For users and workshops who want to deepen their knowledge on diagnostics and the selection of components in this area, the following article will be helpful: Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration.

If you are planning a comprehensive repair or upgrade of the fuel filler area in your BMW and need other components from the same group, such as flaps, mounts, or additional seals, check the available parts in the BMW fuel filler flaps and accessories category.