BMW Z4 Series E85 1 Roadster Underfloor Channel Cover Plate 7134377

BMW Z4 E85 Undertray Cover Plate 7134377 is an original protective component designed for the rear underbody of this model. The cover plate, designed by BMW, stabilizes airflow under the car and protects sensitive rear suspension components. This is a practical solution for users who want to maintain the underbody in good operational condition.

Specifications and technical data

• SKU: 7134377-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7134377
• Substitutable numbers: 51717182692, 51717134377, 7134377
• Location on the vehicle: Rear
• Category: Other Exterior Parts & Accessories

Purpose and Function of the BMW Z4 E85 Undertray Cover

The presented cover plate is an element mounted in the rear underbody area of the BMW Z4 E85 generation. Its purpose is to limit direct contact of suspension elements and the floor with water, mud, and minor road debris. Additionally, the cover helps to streamline airflow under the car, which contributes to stability at higher speeds and reduces the risk of dirt accumulation in hard-to-reach places.

Benefits of Using an Original Undertray Cover Plate

Choosing an original undertray cover for the BMW Z4 E85 ensures a perfect fit with factory mounting points, without the need for modifications or shape adjustments. Thanks to this:

• installation is predictable and repeatable,
• compatibility with other underbody components is maintained,
• the risk of unwanted vibrations and noise resulting from improper fit is reduced.

Using a dedicated cover plate also allows for a more even distribution of loads acting on the mountings, which is important for the long-term operation of the car.

Component Characteristics and Service Application

The undertray cover offered here is part of original BMW components and is intended for reinstallation in the vehicle. It can be used as a replacement for a damaged plate after contact with a road obstacle, or when completing missing underbody components after previous bodywork and mechanical repairs. Its placement in the rear of the vehicle makes it important for protecting the rear suspension and the trunk floor area.

Due to its design tailored to the specific model, the cover works with the factory covers of adjacent underbody sections, creating a cohesive protective system. This solution is particularly useful in cars used year-round, exposed to road salt and heavy soiling.

Practical Application and Part Selection

When selecting this undertray cover for the BMW Z4 E85, it is worth paying attention to compliance with manufacturer markings and its placement on the vehicle. The product has an assigned OEM part number and related interchangeable numbers, which facilitates compatibility verification in service catalogs and parts selection systems. This allows for precise confirmation that the component will be suitable for a specific equipment version and model year.

If you are planning a comprehensive repair or upgrade of the underbody area in your BMW and need other parts from the same group, such as additional covers, protective plates, or floor components, check the available parts in the Other BMW category.

Technical Knowledge and BMW Project Development

For users interested in a broader context of technical solutions used in sports and sporty models, including the underbody area, an analysis of the construction of competing brands can be an interesting addition. For this purpose, it is worth reading the article discussing the differences in the construction of powertrains, brakes, and underbodies in sporty Audi versions, available at the link: Audi RS vs. Other Models – What Lies Under the Hood and Underbody?.