BMW Z4 E85 Convertible Rear Bumper Trim Panel PDC Monacoblau Blue Metallic - A35

Visual condition of the part

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

BMW Z4 E85 Rear Bumper PDC Monacoblau Blue Metallic - A35 is an original body part from the Bumpers and reinforcements category, designed for installation on the rear of the vehicle. The paint in the Monacoblau Metallic - A35 shade ensures color consistency with the factory BMW palette, facilitating visual matching and reducing the scope of additional painting work. The used nature of the part allows for an economical yet technically correct repair of the rear body section.

Specifications and technical data

• SKU: 0031137-MB
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 0031137
• Substitutable numbers: 51120031137, 0031137
• Location on the vehicle: Rear
• Color: Monacoblau Metallic - A35
• Category: Bumpers & Reinforcements

Purpose and Function of the BMW Z4 E85 Rear Bumper

The presented rear bumper is designed specifically for the BMW Z4 E85 model and is mounted on the rear of the body. This element is responsible for absorbing minor operational loads, maintaining the correct body lines, and integrating with the PDC system (parking sensors), which is important for both maneuvering safety and vehicle aesthetics.

Thanks to its factory geometry, the bumper works with original mounting points, trims, reinforcements, and lighting, which simplifies installation and allows for maintaining proper gaps between body panels.

Monacoblau Metallic - A35 Paint Color and Matching

The Monacoblau Metallic - A35 shade is a characteristic metallic blue BMW paint that gives the Z4 roadster a distinctive yet understated character. Using the original color on the rear bumper limits the need for full repainting of the part, which in many cases can shorten repair time and optimize costs.

With the proper selection of painting technology and assessment of the coating's condition, it is possible to match the bumper to the existing body paint, which is particularly important for post-accident repairs and premium vehicle restorations.

Integration with PDC System and Bodywork

The rear bumper is adapted for use with the PDC system, meaning parking sensors can be installed in the locations designated by the manufacturer. This preserves the functionality of the factory parking assistance system, and the driver does not lose the support of electronic assistants during maneuvering.

The part has been developed as part of the BMW Z4 E85 body structure, therefore it ensures:

• correct alignment of the side and rear body lines,
• compatibility with factory reinforcements and mountings,
• the possibility of installing original accessories and decorative trims.

Characteristics of a Used OEM Part

The bumper comes from original BMW production, which means it retains factory geometry, material quality, and compatibility with other body components. As a used part, it is a sensible choice for repairs where a combination of technical correctness and cost control is key.

Original origin translates to proper fitment with fenders, the trunk lid, and rear lighting, minimizing the need for additional modifications and adjustments during installation.

Assistance with Completing BMW Body Parts

If you are planning a comprehensive repair of the rear section of a BMW Z4 or other models of this brand and need additional body parts such as other bumpers, reinforcements, or mounting beams, check the available parts in the BMW Bumpers and Reinforcements category.

To better plan your purchases and assemble a larger set of original used parts in one place – from the bodywork to the smallest clip – it is worth familiarizing yourself with the guide on effective parts selection, available in the article Comprehensive Sourcing: From Engine to the Smallest Clip.