BMW Z4 Series E85 Wind Deflector Protection Centre 0150671

BMW Z4 Series E85 Wind Deflector Protection Centre is a practical protective element mounted centrally behind the roadster's seats, which improves driving comfort with the roof down. It limits air turbulence in the cabin, reduces noise, and allows you to fully enjoy the dynamic features of the Z4 body. As an original BMW component from the body accessories group, it serves as a functional addition to the vehicle's equipment.

Specifications and technical data

• SKU: 150671
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 0150671
• Substitutable numbers: 0150671, 54700150671, 7117745, PK
• Category: Other Exterior Parts & Accessories

Purpose and function in the BMW Z4 E85

The presented wind deflector has been designed specifically for the BMW Z4 E85 generation, with the aim of stabilizing airflow in the cabin when driving with the roof down. Mounted centrally between the headrests, it creates an aerodynamic barrier that:

• reduces the intensity of gusts behind the driver's and passenger's heads,
• limits air noise, facilitating communication in the cabin,
• improves subjective thermal comfort at higher speeds,
• supports the stability of small items in the cabin (e.g., documents, light accessories).

Thanks to this, driving a roadster becomes more predictable in terms of airflow, and the car maintains the balance between dynamics and comfort characteristic of BMW.

Original origin and fitment

The deflector is an element from the BMW OE family, which means factory-perfect fitment to the Z4 E85 body structure. Its original origin translates into:

• precise fit with factory mounting points,
• maintenance of proper geometry relative to the headrests and roll bars,
• compatibility with the standard interior and exterior styling line.

In practice, this facilitates installation and minimizes the risk of unwanted vibrations or looseness while driving, which is important in cars with a stiff, sporty suspension character.

Performance characteristics of the used element

The offered deflector comes from the secondary market, which is typical for many components dedicated to specialized models such as the Z4 E85. A used element allows you to:

• maintain the original equipment specification at a lower cost than a new part,
• keep visual consistency with other interior and exterior elements,
• reduce the environmental footprint by reusing the component.

This is a particularly attractive solution for comprehensive restoration or retrofitting the car with original accessories, where compliance with the factory vehicle concept is a priority.

Integration with other equipment elements

The wind deflector works with the factory cabin architecture of the Z4 E85, without interfering with the roof mechanism or standard safety systems. Its presence affects the perceived comfort during longer trips, especially during highway driving, where airflow is of the greatest importance for interior acoustics. It is a practical addition for drivers who frequently use the open-top driving mode and expect more orderly airflow in the cabin.

If you are planning a comprehensive repair or modernization of the body area in your BMW and need other elements from the same group, such as covers, panels, or additional accessories, check the available parts in the Other BMW category.

Substantive support and car project development

When expanding or modifying a sports car, it is worth considering the impact of aerodynamic elements and equipment on the vehicle's character. To compare manufacturers' approaches to sports versions and standard models, you can refer to material discussing differences in the construction of the drivetrain, brakes, and chassis – you will find them in the article Audi RS vs other models – what is hidden under the hood and chassis?, which helps to better understand the philosophy of designing dynamic cars and consciously select components for your own project.