BMW F33 F83 M4 LCI Wind Deflector Stopper Upper Top Left N/S 7351099

BMW F33 F83 M4 LCI Wind Deflector Stopper Upper Top Left N/S is an original component from the Wind Deflectors group, designed for precise guidance and stabilization of the wind deflector in BMW 4 Series and M4 convertibles after the facelift. Thanks to its factory geometry and precise fit for the LCI body, it ensures consistent operation of the deflector folding and locking mechanism, which translates into driving comfort with the roof down.

Specifications and technical data

• SKU: 7351099
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7351099
• Substitutable numbers: 7351099, 54347351099
• Location on the vehicle: Left
• Part type: Wind Deflector
• Category: Sun Visors, Wind & Bug Deflectors

Purpose and function of the component

The upper stopper on the left side is responsible for the controlled positioning of the wind deflector in the rear area of the cabin. This component works in conjunction with the folding and locking mechanism, stabilizing the deflector while driving and during its deployment and retraction.

The placement on the left side is crucial for proper installation – the part has a dedicated geometry tailored to the specific side of the vehicle, which minimizes stress and the risk of improper operation of the entire system.

Benefits of using an original BMW wind deflector

Using an original wind deflector stopper in a BMW F33 or F83 M4 LCI convertible allows you to maintain the factory operating parameters of the system:

• stable guidance of the wind deflector at higher speeds,
• proper closing and locking of the element on the left side,
• maintaining acoustic comfort in the cabin with the roof open,
• consistency with other components from the Wind Deflectors group in this model.

By maintaining the original design, the stopper works with factory mounting points, which facilitates installation and reduces the need for additional modifications.

Installation and operational characteristics

The component is intended for installation in the rear cabin area of the convertible, on the left side, in the immediate vicinity of the wind deflector. The design of the stopper has been engineered to withstand loads resulting from the movement of the deflector and airflow, while not causing excessive wear on adjacent components.

When replacing, it is recommended to:

• check the condition of the mounts on the body and deflector side,
• verify the smoothness of the entire mechanism's movement after installation,
• check the symmetry of the left and right stopper operation if signs of wear are also present on the opposite side.

Why choose an original BMW solution

The original wind deflector stopper is a part designed specifically for BMW F33 and F83 M4 LCI convertibles, which translates into high compatibility with the body and roof mechanism. A used OEM component allows you to maintain the factory operating characteristics of the system while being an economical solution compared to new components.

If you are planning a comprehensive repair or upgrade of the airflow zone in your BMW and need other elements from the same group, such as additional deflectors, guides, or mounts, check the available parts in the BMW Wind Deflectors category.

Expanding knowledge and planning further repairs

When working on the wind deflector system in a convertible, it is worth looking at the entire repair or upgrade project more broadly. If you want to efficiently complete original used parts for your BMW – from body components to small mounting details – a One-Stop-Shop guide will be helpful. You can find more practical tips in the article Comprehensive supply: from the engine to the smallest clip – how to complete used car parts in one place?.