BMW F90 M5 Underbody Panelling Trim Panel Cover Rear Left N/S 8070397

BMW F90 M5 Underbody Panelling Trim Panel Cover Rear Left N/S is an original body component designed for installation in the rear left section of the undercarriage. Its black, tailored design helps streamline airflow under the vehicle while providing practical protection for sensitive suspension and body components in the BMW M5 F90 sports sedan. Thanks to its factory geometry, this rear left underbody panel ensures a proper fit with other panels and stable mounting.

Specifications and technical data

• SKU: 8070397
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8070397
• Substitutable numbers: 8070397, 51758070397, KD
• Location on the vehicle: Rear, Left
• Color: Black
• Category: Splash Guards & Mud Flaps

Purpose and function of the component

The presented panel is designed specifically for the rear left underbody section of the BMW M5 F90 generation. Its placement in the rear zone allows for:

• protection of structural elements and suspension components against road debris,
• reduction of water, mud, and small stone accumulation in the wheel arch area,
• streamlining of airflow under the car, which promotes stability at higher speeds.

The black color of the panel is visually neutral, blends well with factory underbody panels, and remains unobtrusive after installation, maintaining a consistent look for the entire lower body section.

Construction and fitment for the BMW F90 M5

The underbody panel was developed as an original BMW part, ensuring it maintains the correct geometry and mounting points characteristic of the M5 F90. This allows for:

• precise fitment to the shape of the rear left underbody,
• stable attachment at factory mounting points,
• compatibility with other panels and wheel arches in this area.

This solution facilitates installation and reduces the risk of improper fitment, which is particularly important in high-performance vehicles where proper underbody aerodynamics are crucial for handling and driving comfort.

Performance characteristics and application

The BMW F90 M5 Underbody Panelling Trim Panel Cover Rear Left N/S is suitable for both standard daily use and more dynamic driving. This component is particularly useful when:

• the original panel has been mechanically damaged (e.g., on a speed bump or during contact with an obstacle),
• underbody panels are missing after previous bodywork repairs,
• you want to restore the completeness of the underbody shielding on the rear left side.

The used nature of the part allows for an economical replacement while maintaining the original BMW specification, which is beneficial for post-accident repairs or restoring the car to a factory-like condition.

Benefits of using an original underbody panel

Using a factory underbody panel in the BMW M5 F90 offers a number of practical advantages:

• Proper model fitment – no need for modifications, drilling additional holes, or adjusting the shape.
• Consistency with other body components – the panel works in harmony with other shields and mudguards in the rear of the vehicle.
• Better component protection – reduction of direct contact between suspension and body elements with road debris.

As a result, the underbody panel serves as a functional addition to the rear zone, contributing to the operational durability and aesthetics of the lower body.

Installation zone and related BMW components

If you are planning a comprehensive repair or upgrade of the rear body zone in your BMW and need other components from the same group, such as additional shields, mudguards, or protective panels, check the available parts in the BMW Mudguards category.

For owners of BMW M and M Performance models who want to better understand the differences between sports components and standard solutions, the following article may be helpful: BMW M Performance: what is the difference between BMW M components and standard ones?. It helps in selecting the right body and underbody components for the character of a specific M5 F90 unit.