BMW i3 I01 Rex Hybrid Cover Engine Compartment Trim Panel Underfloor 7380944

BMW i3 I01 Rex Hybrid – engine compartment cover / underfloor panel is an original BMW body part, designed to protect the lower part of the drivetrain in the Rex generator version. Thanks to its factory geometry, it ensures precise fit to the chassis structure and stable mounting at the points provided by the manufacturer. A used OEM part allows for technically correct repair without interfering with the vehicle's structure.

Specifications and technical data

• SKU: 7380944
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7380944
• Substitutable numbers: 51757380944, 7380944, EM
• Category: Other Exterior Parts & Accessories

Purpose and function of the part

The engine compartment cover in the BMW i3 I01 Rex Hybrid is responsible for protecting the lower part of the power unit and auxiliary components from dirt, moisture, and minor mechanical damage from the road. A correctly selected underfloor panel:

• limits the ingress of water, mud, and road salt into the engine compartment area,
• stabilizes airflow under the vehicle, which helps maintain proper aerodynamics,
• protects cables, mountings, and accessory components from direct contact with contaminants.

Thanks to its design consistent with BMW's project, the cover works with other chassis panels, creating a cohesive protective system in the drivetrain area.

Original origin and BMW compliance

The presented panel is part of the BMW OE group, which means it was designed specifically for the i3 I01 platform in the Rex Hybrid version. Original origin translates to:

• maintaining factory mounting points and edge shape,
• compatibility with factory covers of adjacent chassis zones,
• consistency with BMW service documentation and repair procedures.

The part has an assigned OEM part number and interchangeable numbers, which facilitates verification of compatibility with a specific vehicle configuration in parts catalogs.

Characteristics of a used part

The engine compartment cover is offered as a used part, sourced from disassembly. This type of component often retains full functionality while offering an attractive cost-to-quality ratio. In practice, this means the possibility of:

• restoring protection to the lower part of the engine compartment after damage or loss of the original cover,
• maintaining the vehicle's factory structure without using aftermarket parts with uncertain fit,
• reducing repair costs while maintaining manufacturer standards.

Before installation, a standard inspection of the surface condition, mounting points, and potential cleaning of the part is recommended to ensure proper adhesion to the body.

Selection by OEM number and technical support

To ensure that the engine compartment cover will work correctly with a specific version of the BMW i3 I01 Rex Hybrid, it is advisable to use the OEM part number and interchangeable numbers visible in the technical specifications. This method of selection:

• minimizes the risk of purchasing an ill-fitting underfloor panel,
• facilitates comparison with the part removed from the vehicle,
• allows for quick confirmation of compatibility in BMW catalogs or service systems.

For users who want to learn more about selecting original used parts for Bavarian brand cars and the impact of such parts on vehicle durability, the article BMW – sporty performance and precision. How original used parts extend the life of the Bavarian icon? may be helpful.

Integration with other components and vehicle development

The engine compartment cover in the BMW i3 I01 Rex Hybrid is part of a larger system of underfloor panels and drivetrain area covers. In case of extensive repairs or upgrades, it is worth considering the condition of adjacent components, such as other chassis covers, aerodynamic panels, or cable shields. If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other parts from the same group, such as covers, underfloor panels, or additional protective shields, check the available parts in the Other BMW category.

If you are interested in comparing technical solutions used in sports models and want to better understand the differences in the construction of the drivetrain, brakes, and chassis, it is worth reading the material Audi RS vs. other models – what's under the hood and chassis?, which discusses key aspects of high-performance car construction.

Summary

BMW i3 I01 Rex Hybrid Cover Engine Compartment Trim Panel Underfloor is an original, used engine compartment cover designed for use in the hybrid version of the BMW i3 with the Rex generator. Thanks to its factory origin, it ensures compliance with the chassis structure, proper airflow management, and effective protection of the lower part of the power unit from contamination. This is a solution for users who want to restore full functionality to the drivetrain area while maintaining the technical standards set by BMW.