BMW X3 Series E83 E83N LCI Fuel Filler Fill-in Flap Cover Black Sapphire

BMW X3 Series E83 E83N LCI Fuel Filler Fill-in Flap Cover Black Sapphire is an original body component from the Fuel filler flaps and accessories group, designed for installation in the rear section of the vehicle. The paint in the Black Sapphire Metallic - 475 shade ensures color consistency with the factory body finish, which is particularly important for post-accident repairs and aesthetic corrections. The used OEM part ensures proper fitment to the bodywork and correct operation with the flap mechanism and fuel cap.

Specifications and technical data

• SKU: 7055877-BS
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7055877
• Substitutable numbers: 51177055877, 7055877
• Location on the vehicle: Rear
• Color: Black Sapphire Metallic - 475
• Category: Fuel Flaps & Components

Purpose and function of the fuel filler flap

The fuel filler flap in the BMW X3 E83 model is responsible for protecting the fuel filler neck from contamination, moisture, and mechanical damage. A correctly selected rear body component guarantees:

• a stable closure of the fuel filler area,
• protection against dust, mud, and road salt,
• maintenance of the correct geometry of the side body line,
• proper cooperation with the hinge and opening mechanism.

Thanks to the preservation of the factory design, the flap works with the original mounting points, which facilitates installation and reduces the risk of leaks in the fuel filler area.

Black Sapphire Metallic color – paint matching

The Black Sapphire Metallic - 475 finish is characteristic of many BMW X3 E83 units and allows for an aesthetic replacement of the component without the need for full painting of the entire panel. In practice, this means:

• easier visual matching to the existing body paint,
• limiting the scope of paint work to potential touch-ups,
• maintaining a consistent, elegant appearance of the rear of the vehicle.

For users who care about the aesthetics of the bodywork, this is a beneficial solution, especially for spot repairs after minor collisions or parking damage.

Installation characteristics and compatibility

The flap is designed for installation in the rear body zone of the BMW X3 E83, in the place of the factory fuel filler. The OEM design ensures:

• compatibility with original hinges and the opening mechanism,
• correct fitment with the fender contours,
• maintenance of factory gaps between body elements.

Before purchasing, it is worth verifying the compatibility of the part with the specific vehicle equipment version using the manufacturer's markings or model-specific selection catalogs. This ensures that the installation proceeds smoothly, without the need for mounting modifications or geometry adjustments.

Why it is worth using an original BMW flap

Using an original fuel filler flap in the BMW X3 E83 allows you to maintain factory body parameters and proper protection of the fuel system in the filler area. The main advantages of such a solution include:

• secure fit to the shape of the fender and body line,
• color consistency with the Black Sapphire Metallic paint,
• maintaining the original appearance of the vehicle after repair.

For owners who plan long-term operation of the car or are preparing it for sale, maintaining the factory look of the rear body section has a direct impact on the visual reception and value of the vehicle.

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 additional flaps, covers, or accessory protection elements, check the available parts in the BMW fuel filler flaps and accessories category.

To better understand the importance of a properly secured fuel filler and the impact of the tightness of this area on component durability, it is worth reading the guide on fuel system diagnostics and operation: Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration.

If you treat your BMW X3 E83 as a well-maintained example from years that are gaining value, inspiration on using used body components to refresh the car's look can be found in the article: The second life of a youngtimer – how used car parts rejuvenate cars from the 1998–2012 model years.