BMW F36 Tailgate Boot Trunk Lid Hinge Rear Left N/S Mineral Grey - B39 7314607

The BMW F36 left rear trunk lid hinge in Mineral Grau Metallic B39 is an original body part designed for precise guidance and support of the rear lid. Thanks to its factory origin from BMW, it ensures correct lid operation geometry, proper fit with the body, and color consistency with the Mineral Grey paint.

Specifications and technical data

• SKU: 7378801-MG
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7378801
• Substitutable numbers: 7378801, 41007378801, 7314607, 41007314607
• Location on the vehicle: Rear, Left
• Color: Mineral Grau Metallic - B39
• Category: Lift Supports, Latches, Hinges & Additional Parts

Purpose and Function of the BMW F36 Lid Hinge

The hinge presented is dedicated to the left rear part of the body, where it is responsible for the stable guidance of the liftback trunk lid in the BMW 4 Series Gran Coupé F36. The hinge construction is designed for proper force distribution during opening and closing of the lid, which translates to smooth lid movement without jamming and reduced stress on the body panels.

The appropriately selected operating characteristics of the hinge work in conjunction with the gas struts and lock, minimizing the risk of lid misalignment, leaks, or improper closing. This is particularly important for daily car use, when the lid is frequently opened and closed at various angles.

Mineral Grau Metallic B39 Color and Visual Matching

The hinge is finished in the Mineral Grau Metallic B39 paint, which allows for consistency with the factory BMW body color in this shade. In practice, this means reduced need for additional painting when replacing the part on a car with the same paint code, thus a faster and more economical repair of the rear section.

Color matching is important not only for aesthetics but also for servicing – with proper hinge installation and adjustment, the panel gaps and clearances around the lid remain even, enhancing the overall visual quality of the body and facilitating subsequent bodywork and painting if required.

Benefits of Using an Original BMW Hinge

Using an original trunk lid hinge for the BMW F36 allows for the preservation of the factory operating parameters of the opening and closing mechanism. Compared to aftermarket alternatives, the OEM part ensures:

• precise replication of mounting geometry relative to the body and lid,
• compatibility with factory gas struts and lock,
• stable lid guidance throughout its full range of motion,
• reduced risk of play and creaks in the rear lid area.

Thanks to this, replacing a damaged or worn-out hinge with an original used part is a technically safe and at the same time economical solution in terms of repair costs, especially for accident repairs or general maintenance.

Condition, Installation, and Practical Application

The offered hinge is a used part from disassembly, providing an attractive price-to-functionality ratio while maintaining the parameters of the original BMW part. The component is intended for installation in the left rear part of the body, using the factory mounting points and adjustments. A properly installed hinge allows for lid adjustment to maintain even gaps, correct seal contact, and proper cooperation with the lock and gas struts.

Before installation, it is recommended to check the condition of adjacent components – body mountings, screws, gas struts, and the lid itself – to fully utilize the part's potential and avoid secondary stresses. In the case of accident repairs, the hinge can also be helpful in restoring the rear body geometry to near-factory parameters.

Related Parts and Technical Knowledge

If you are planning a comprehensive repair or upgrade of the rear body section of your BMW and need other parts from the same group, such as additional hinges, trunk locks, or gas struts, check the available parts in the category Gas Springs, Locks, Hinges and Other BMW Parts.

When optimizing service costs and selecting used components, it is worth consulting reliable technical knowledge – a practical comparison of the durability and operating costs of different engine units can be found in the article Volkswagen 1.9 TDI vs 1.4 TSI – Evolution of VW Engines and Repair Costs, which shows how to wisely use used parts in everyday operation.

For brand enthusiasts, a material describing the differences between standard components and sports versions may also be useful – you can find more on this topic in the article BMW M Performance: What's the Difference Between BMW M Components and Standard Ones?, which facilitates informed planning of modifications and repairs on BMW vehicles.