BMW X5 Series E70 Boot Trunk Lid Lower Hinge Left Right N/O/S Black Sapphire

BMW X5 E70 Trunk Lid Hinge Left Rear Black is an original body part designed for precise operation with the rear trunk lid. It enables stable lid guidance, ensuring smooth opening and closing, and proper maintenance of the lid's suspension geometry. Thanks to its factory fit for the BMW X5 E70's construction, this used part allows for an efficient, technically correct repair of the rear body section.

Specifications and technical data

• SKU: 7170918-BS
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7170918
• Substitutable numbers: 7170918, 41627170918, EM
• Location on the vehicle: Right, Left
• Color: Black Sapphire Metallic - 475
• Category: Other Exterior Parts & Accessories

Trunk Lid Hinge Purpose and Function

The presented hinge operates in the rear body zone, responsible for the stable support and guidance of the trunk lid. The design is intended for installation on the left rear side of the vehicle, maintaining the correct axis of rotation and proper lid pressure against the seals. The component works with the lid lifting actuators, transferring loads resulting from the lid's weight and daily use.

Its placement on the vehicle includes the left side and the possibility of use in systems structurally designed for both sides, which facilitates fitting within this body generation. The hinge is crucial for maintaining trunk seal integrity, proper closing, and even force distribution in the lid mounting area.

Color and Visual Fit

The part is finished in the Black Sapphire Metallic - 475 shade, characteristic of premium BMW paints. This allows the hinge to harmonize with bodywork in this color, reducing the need for additional painting work when installed on a vehicle with a matching finish. For users who value bodywork visual consistency, this is a practical solution that helps maintain the aesthetic of the rear of the vehicle.

Color matching is also important for accident repairs, where recreating the car's original appearance as closely as possible is crucial. A hinge in this shade facilitates achieving a uniform paint line in the trunk lid edge area.

Mounting and Operational Characteristics

As an original part designed for the BMW X5 E70, the hinge provides factory mounting points and geometry consistent with the body's construction. This simplifies installation in place of a damaged component without the need for modifications or hole adjustments. A correctly installed hinge restores proper lid operation, minimizing the risk of sagging, misalignment, or excessive play.

In daily operation, the component is responsible for:

• maintaining the lid's stable position in both closed and open states,
• proper guidance during opening and closing,
• reducing stress in the area where the lid mounts to the body.

Thanks to the use of an original design, it is possible to maintain the trunk lid's operating characteristics as intended by the manufacturer, which translates to user comfort and the durability of the entire system.

Repair Scope and Technical Knowledge

The offered hinge is a used part, allowing for an economical yet technically correct repair of the rear body section of the BMW X5 E70. This is a practical solution for replacing a damaged hinge due to a collision, corrosion, or wear and tear. Using an original dismantled component helps maintain compliance with the vehicle's factory specifications.

Before installation, a standard check of the mounting points, lid alignment, and cooperation with actuators is recommended to achieve even gaps and proper pressure against the seals. A correctly selected and installed hinge reduces the risk of trunk leaks and unwanted noises during driving.

Repair Extension and Technical Insights

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 mounts, brackets, or small structural elements, check the available parts in the Other BMW category.

For those interested in a broader technical context and comparing construction solutions in premium segment cars, it is worth reading an article discussing the differences in the construction of powertrains and chassis – you can find it here: Audi RS vs. Other Models – What Lies Under the Hood and Chassis?.