BMW Z4 E85 Rear Bumper Trim Panel Black Sapphire Metallic - 475

Visual condition of the part

Possible scratches and paint chips – condition as shown in the product photos.

BMW Z4 E85 Rear Bumper Trim Panel Black Sapphire Metallic - 475 is an original body component from the Bumpers and reinforcements group, designed for installation in the rear section of the vehicle. The paint in the Black Sapphire Metallic - 475 shade ensures consistency with the factory BMW color palette, which facilitates visual matching without the need for a full repaint. This used OEM component is a sensible solution for post-accident repairs, visual corrections, and restoring the factory body geometry in the Z4 E85 model.

Specifications and technical data

• SKU: 0031136-BS1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 0031136
• Substitutable numbers: 51120031136, 0031136
• Location on the vehicle: Rear
• Color: Black Sapphire Metallic - 475
• Category: Bumpers & Reinforcements

Purpose and function of the BMW Z4 E85 rear bumper

The presented rear bumper has been designed as a body component mounted in the rear zone of the BMW Z4 E85 generation. It is responsible for:

• protecting structural load-bearing elements and reinforcements of the rear body section,
• restoring the correct body line after mechanical damage,
• maintaining the factory aerodynamics and proportions of the Z4 roadster body,
• preparation for integration with original reinforcements and mounts of the E85 model.

Thanks to a design consistent with the manufacturer's specifications, the bumper works with factory mounting points, which facilitates bodywork and painting tasks and shortens repair time.

Black Sapphire Metallic - 475 color and visual aspects

The finish in Black Sapphire Metallic - 475 is a characteristic, dark metallic paint from the BMW palette, often used in premium class models. In practice, this means:

• consistency with the factory body color code,
• easier matching during partial painting or blending of adjacent elements,
• maintaining the characteristic, elegant look of the BMW Z4 E85 in a dark tone.

In the case of post-accident repairs or replacement of a damaged element, using a bumper in the same paint code limits the scope of painting work and allows focusing on precise installation.

Installation characteristics and fitment

The rear bumper is intended for installation in the rear body zone, using the factory mounting points of the BMW Z4 E85. Its original origin from the Bumpers and reinforcements group translates into:

• geometry consistent with factory body dimensions,
• proper fitment with fenders, trunk lid, and lighting elements,
• the ability to use standard brackets, guides, and reinforcements.

Such fitment is particularly important during repairs where maintaining the body line and minimizing the need for additional bodywork modifications is crucial.

Used condition and application in repairs

The element is offered in used condition, which is a cost-effective solution while maintaining the manufacturer's original specifications. This type of bumper is suitable in situations where:

• it is necessary to replace a damaged bumper after a collision,
• the priority is to maintain the factory look of the BMW Z4 E85,
• matching the existing Black Sapphire Metallic paint is important.

A used OEM component allows for a technically correct repair while reducing costs compared to purchasing a new body element.

Repair expansion – BMW Bumpers and reinforcements

If you are planning a comprehensive repair or upgrade of the rear body zone in your BMW and need other elements from the same group, such as reinforcement beams, brackets, or additional covers, check out the available parts in the BMW Bumpers and reinforcements category.

Practical service tips

When replacing the rear bumper in a BMW Z4 E85, it is worth paying attention to:

• checking the condition of reinforcements and mounting points in the rear body section,
• proper adjustment of gaps between the bumper and adjacent elements,
• selecting painting materials compatible with the Black Sapphire metallic paint.

For users interested in a broader perspective on the operation and repair of automotive components, the following guide on drivetrain systems may be helpful: Transmission: manual, automatic, or DSG – common faults and a guide to buying a used gearbox.