BMW Z4 E85 Roadster Convertible Wind Deflector Protection Centre Set 7117746

BMW Z4 E85 Roadster Convertible Wind Deflector Protection Centre Set is an original wind deflector set designed for the BMW Z4 E85 convertible. As a component from the Wind Deflectors category, it improves driving comfort with the top down by reducing cabin air turbulence and noise at higher speeds. This used OEM component is the ideal solution for drivers who want to maintain the factory character of the vehicle while ensuring high functionality.

Specifications and technical data

• SKU: 7117746-3
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7117746
• Substitutable numbers: 7117746, 54347117746
• Category: Sun Visors, Wind & Bug Deflectors

Purpose and technical function

The presented central wind deflector set has been designed specifically for the BMW Z4 E85 generation roadster body. As an element from the Wind Deflectors group, it is responsible for directing the airflow over the cabin, which reduces turbulence behind the seats and improves airflow stability when driving with the roof down.

This type of solution is particularly important in open-top sports cars, where airflow affects not only comfort but also interior acoustics. Using a factory wind deflector helps reduce driver fatigue during long trips and improves the clarity of audio systems and voice communication.

Advantages of using an original BMW wind deflector

Compared to aftermarket replacements, the original BMW wind deflector set provides:

• precise fitment to the Z4 E85 body geometry,
• stable mounting in factory installation points,
• consistent appearance with other interior and exterior trim elements,
• preservation of the cabin aerodynamics as designed by the manufacturer.

As a result, the driver receives a component that works in harmony with the body lines and roof structure without introducing unwanted noise or vibrations. This is especially important in roadster-class cars, where every additional element affects the driving experience.

Operational characteristics and installation

As an OEM part, the central wind deflector set is prepared for installation in the factory-designated locations in the BMW Z4 E85. This facilitates maintenance and the potential replacement of an existing deflector that may have suffered from operational wear or mechanical damage.

The used condition of the part allows for an economical restoration of the wind protection system's functionality without the need to invest in new, expensive components. This solution is particularly beneficial for comprehensive restoration work or returning the car to its original specification.

Integration with other body components

The wind deflector works in conjunction with the windshield, side body lines, and roof mechanism to create a cohesive aerodynamic system. A properly selected and installed deflector:

• limits airflow into the rear part of the cabin,
• stabilizes airflow over the heads of the driver and passenger,
• reduces the "draft" effect at higher speeds,
• allows for longer enjoyment of top-down driving in lower temperatures.

Thanks to this, the BMW Z4 E85 retains its sporty characteristics while offering more comfortable travel conditions on a daily basis.

If you are planning a comprehensive repair or upgrade of the airflow zone around the cabin in your BMW and need other elements from the same group, such as additional deflectors, side covers, or supplementary wind panels, check out the available parts in the BMW Wind Deflectors category.

Making an informed choice regarding used parts

Purchasing a used aerodynamic element for the BMW Z4 E85 is a reasonable compromise between cost and maintaining factory quality. However, it is worth approaching the selection of the component methodically – paying attention to model compatibility, set completeness, and overall visual and functional condition.

To better prepare for selecting used body and equipment parts, read our guide Buying used car parts – common mistakes when choosing parts for tuning, which helps avoid typical problems when assembling components for restoration and modification projects.