BMW Z4 E85 Side Skirt Left N/S Sill Strip Panel Stratus Pearl Metallic - 440

Visual condition of the part

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

BMW Z4 E85 Side Skirt Left N/S Sill Strip Panel Stratus Pearl Metallic is an original body component from the Side Skirts category, designed for installation on the left side of the vehicle. The part in Stratus Grey Metallic - 440 color allows for a visually consistent replacement or addition to the factory side skirt, maintaining the characteristic side profile of the BMW Z4 E85. This used component is a practical solution for accident repairs, paintwork corrections, or stage-by-stage body restoration.

Specifications and technical data

• SKU: 0031109-SRT
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 0031109
• Substitutable numbers: 51710031109, 0031109, BG
• Location on the vehicle: Left
• Color: Stratus Grey Metallic - 440
• Category: Other Exterior Parts & Accessories

Purpose and function of the component

The presented side skirt cover is designed as a dedicated side molding for the BMW Z4 E85 model, mounted on the left side of the vehicle. Its purpose is to provide an aesthetic finish to the sill area and protect the body edge from typical operational damage, such as minor impacts or road debris. Thanks to the factory profile, the molding maintains the correct body lines, which is important for both visual and assembly purposes.

Color and paint matching

The Stratus Grey Metallic - 440 color is a distinctive metallic shade used by BMW, which blends well with the lines of the Z4 E85 roadster. Using an original color makes it easier to match the component to the vehicle's existing paintwork, eliminating or minimizing the need for additional painting. For users concerned with the visual consistency of the bodywork, this is an essential parameter when selecting a side skirt.

Assembly characteristics

The side skirt cover is intended for installation on the left side of the body, using the factory mounting points provided for the BMW Z4 E85. The design of the component is adapted to the original geometry of the sills, which facilitates proper fitment with other side panels. The used component can be used both when replacing a damaged molding and when completing missing body parts after body and paint repairs.

Condition and service application

The product is offered as a used BMW side skirt, which is a cost-effective solution while maintaining the manufacturer's original specifications. Such components are often chosen for vehicle repairs where combining proper fitment with a rational service budget is key. The cover is suitable for both workshops specializing in the BMW brand and users independently sourcing body parts.

Selection by numbers and compatibility verification

When selecting a side skirt for a specific version of the BMW Z4 E85, it is worth paying attention to the manufacturer's markings and the correct placement on the vehicle. Verification by factory numbers and paint color helps reduce the risk of purchasing an incompatible part, which is especially important for exterior body parts. Additional tips on safely selecting components by OEM numbers and paint codes can be found in the guide Buying parts online without risk – 5 proven ways to verify component compatibility.

Expanding the BMW sill area repair

If you are planning a comprehensive repair or upgrade of the sill area in your BMW and need other elements from the same group, such as covers, overlays, or additional moldings, check out the available parts in the BMW Side Skirts category.