BMW X5 Series E53 Fuel Tank Filler Rubber Seal Cover Pot 8262703

BMW X5 Series E53 Fuel Tank Filler Rubber Seal Cover Pot is an original fuel filler system component designed for BMW X5 E53 models, responsible for a tight and stable fit of the filler neck in the bodywork. This used, original part from the Fuel filler caps and accessories group allows you to maintain the factory mounting geometry and proper protection of the filler area against dirt and moisture. It is a practical solution for users who want to restore the correct operation of the refueling system without interfering with the vehicle's construction.

Specifications and technical data

• SKU: 8262703
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7034150
• Substitutable numbers: 51177183712, 7183712, 51177034150, 7034150
• Category: Fuel Flaps & Components

Purpose and function of the component

The rubber fuel filler seal in the BMW X5 E53 performs several important tasks within the body and fuel system. It is responsible for:

• sealing the space between the filler neck and the body panel,
• protection against the ingress of water, mud, and road salt,
• stabilizing the position of the filler relative to the bodywork,
• reducing the transmission of vibrations from the body to the filler components.

This ensures that the refueling area remains properly sealed, and the metal elements around the filler are less exposed to corrosion. In the event of damage or wear to the factory seal, using an original BMW rubber fuel filler cover allows you to restore the proper operating conditions of the system.

Construction and fitment for BMW X5 E53

The presented part has been designed specifically for the body geometry of the first-generation BMW X5 (E53), which translates into a precise fit with factory mounting points. The shape and profile of the rubber flange are adapted to the original filler neck and body contours, so there is no need for additional modifications or adjustments after installation.

As an original BMW component, the seal works with the factory fuel filler cap and other accessories in this area. Maintaining the completeness of original design solutions is particularly important in vehicles where tightness, durability, and compliance with the manufacturer's service documentation are essential.

Benefits of using an original filler seal

Using a dedicated rubber fuel filler seal in the BMW X5 E53 provides measurable operational benefits:

• Stable filler mounting – reduction of play and unwanted movement during refueling and driving.
• Better anti-corrosion protection of the filler area by separating moisture and contaminants from the sheet metal edges.
• Consistency with the factory design – no need to use universal, poorly fitted replacements.
• Aesthetic finish of the fuel filler recess, which is important for keeping the vehicle in good visual condition.

A used, original part often allows for an economical repair while maintaining the high quality of workmanship characteristic of the BMW brand.

Part selection by numbers and integration with the fuel system

When selecting components in the fuel filler area, it is crucial to match them to the specific body version and fuel system. The described seal works with the factory filler neck and fuel tank of the BMW X5 E53, which helps mechanics and users maintain the consistency of the entire system. In case of doubt regarding compatibility, it is worth referring to catalog numbers and BMW service documentation.

To better understand the role of such elements in the entire fuel supply path, an article describing the construction and operation of the fuel system may be helpful – injectors, pumps, the tank, and auxiliary elements are discussed from the perspective of diagnostics and part selection: Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration.

BMW fuel filler caps and accessories – expansion and service of the refueling area

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

Owners of older BMW generations, including models already considered youngtimers, are increasingly turning to proven used parts to maintain the car's original character at reasonable service costs. A broader context of this approach – along with examples of upgrades and renovations of vehicles from the turn of the 90s and 2000s – can be found in the guide: The second life of a youngtimer – how used car parts rejuvenate cars from the 1998–2012 model years.