Description
BMW F07 GT Gran Turismo Fuel Flap Actuator 7139398 is an original part from the Fuel Tank Caps & Accessories category, designed for precise control of the fuel filler flap’s closing and opening. The used actuator ensures a factory fit for the BMW F07 Gran Turismo body, maintaining the correct operation of the locking mechanism and the comfort of daily use. By using an OEM part, compatibility with the vehicle’s electrical system and body structure is preserved.
Specifications and technical data
- SKU: 7139398
- Mark: BMW (Genuine OE)
- Condition: Used
- OEM Part Number: 7139398
- Substitutable numbers: 67117139398, 7139398, EM
- Category: Fuel Flaps & Components
Purpose and Function of the Fuel Flap Actuator
The fuel flap actuator in the BMW F07 GT is responsible for controlled locking and unlocking of the flap via the central locking system or a button in the cabin. A properly functioning unit:
- prevents accidental opening of the flap while driving,
- protects the fuel filler neck from unauthorized access,
- ensures consistent, stable movement of the mechanism,
- maintains proper alignment of the flap with the body panel.
By using an original BMW solution, compatibility with the vehicle’s factory locking system and comfort control logic is maintained.
Benefits of Using an Original BMW Actuator
Choosing the part described as BMW F07 GT Gran Turismo Fuel Flap Actuator 7139398 allows for structural consistency of the entire body system. The original actuator from the Fuel Tank Caps & Accessories category offers:
- factory mounting points, with no modifications required,
- correct mechanical and electrical operating characteristics,
- compatibility with the vehicle’s wiring harness,
- proper fit to the fuel filler flap’s geometry.
This solution reduces the risk of issues with closing, play, or incorrect response to central locking signals, leading to stable and predictable operation.
Condition, Verification, and OEM Selection
The offered part is used, allowing for an economical restoration of the fuel filler flap opening system’s functionality while maintaining the original BMW specification. Before installation, it is recommended to:
- verify compatibility by OEM number and interchangeable numbers,
- check the mechanism’s operation in its extreme positions,
- inspect electrical connectors and body mounting points.
Selection by OEM part number and reference numbers minimizes the risk of purchasing an incompatible component and facilitates integration with the existing central locking system.
Integration with the Fuel System and Operation
A functional fuel flap actuator directly impacts safe fuel filler operation and refueling comfort. In conjunction with a properly working fuel cap and vent lines, it ensures:
- easy access to the filler neck during refueling,
- secure closure after the tank is filled,
- protection against external contaminants in the filler area.
More information on the construction and operation of the fuel system, including diagnostics and selection of parts by OEM numbers, can be found in the article Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Repair, which discusses practical aspects of operation and service.
Related Parts and BMW Body System Expansion
If you are modernizing the fuel filler area in your BMW and, in addition to the actuator, plan to replace other components related to filler operation, such as flaps, mounts, or additional accessories, check the available parts in the BMW Fuel Tank Caps & Accessories category.
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