BMW Z4 E89 1 Bracket Cover Rollover Protection Rear Right O/S 9128420

The Rear Right Roll Bar Mount Cover for BMW Z4 E89 is an original body part designed for the right rear safety zone. This component is specifically engineered for the Z4 roadster's construction, ensuring a precise fit, aesthetic finish, and seamless integration with the factory interior and exterior lines. It's a practical solution for users looking to restore the correct appearance and functionality of the roll bar mounting after repairs or disassembly.

Specifications and technical data

• SKU: 9128420-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9128420
• Substitutable numbers: 51439128420, 9128420, EM
• Location on the vehicle: Rear, Right
• Category: Other Interior Parts & Accessories

Purpose and Function of the Component

The cover described is dedicated to the BMW Z4 E89 model and is installed in the rear right section of the vehicle, in the area of the roll bar. Its purpose is to aesthetically conceal the mounting structure while simultaneously protecting the components underneath from accidental mechanical damage and dirt.

Precise fitting to the specific body model minimizes the risk of unwanted gaps, squeaks, or vibrations, which is important for both driving comfort and the durability of the entire roll bar assembly.

Construction and Fit for BMW Z4 E89

The roll bar mount cover has been developed as a factory part, conforming to the Z4 E89 body's geometry. This means:

• maintaining the correct line of contours and shape characteristic of this model,
• designed for installation on the right side of the vehicle's rear zone,
• compatibility with factory mounting points and adjacent panels.

Thanks to this, the component, once correctly installed, forms a cohesive surface with the other trim panels, without the need for modifications or forceful adjustments.

Condition, Origin, and Benefits of Using a Used Part

The cover presented is an original BMW part in used condition, which in practice means retaining factory geometry and compliance with the vehicle manufacturer's requirements. Choosing such a component is beneficial for users who expect:

• a reliable fit for the specific model and body version,
• a consistent appearance with other interior and rear trim elements,
• a reasonable compromise between quality and repair cost.

Using original trim elements in the roll bar area helps maintain the correct installation standard and avoid problems typical of universal aftermarket parts.

Application in Repairs and Upgrades of the Rear Body Zone

The rear right roll bar mount cover is suitable for both post-accident repairs and tidying up the rear assembly after previous modifications or disassembly of upholstery elements. This is particularly important for roadsters, where the rear cabin and roll bar area are highly visible and influence the overall assessment of the vehicle's condition.

A correctly selected and installed cover:

• restores the factory appearance of the rear interior,
• organizes the space around the roll bar,
• reduces the risk of accidental damage to structural components and mountings.

Related Parts and Technical Knowledge Development

If you are planning a comprehensive repair or upgrade of the rear body zone in your BMW and need other parts from the same group, such as additional covers, trim panels, or small fasteners, check the available parts in the Other BMW category.

When working on premium cars, it is also advisable to expand your knowledge about the construction differences between standard and sport versions. In this context, an article discussing the construction of engines, braking systems, and chassis in high-performance models may be helpful – you can find it here: Audi RS vs. Other Models – What's Under the Hood and Chassis?.