Side Skirt BMW Z4 E85 E86 Left N/S Sill Strip Panel Sterlinggrau Grey - 472

Visual condition of the part

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

Side Skirt BMW Z4 E85 E86 Left N/S Sill Strip Panel Sterlinggrau Grey is an original body component from the Sill strips group, designed for installation on the left side of BMW Z4 E85/E86 generation models. The part in Sterlinggrau Metallic - 472 color allows for a visually consistent repair of the sill area without the need to experiment with aftermarket replacements of uncertain fitment.

Specifications and technical data

• SKU: 0031109-STG1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 51710031109
• Substitutable numbers: 51710031109
• Location on the vehicle: Left
• Color: Sterlinggrau Metallic - 472
• Category: Running Boards & Side Bars

Purpose and fitment for BMW Z4 E85/E86

The presented left side skirt has been designed specifically for the BMW Z4 E85/E86 series, which ensures correct geometry, compatibility with factory mounting points, and the appropriate profile for the roadster/coupé body. As a result, the component integrates with the vehicle's side line, maintaining the characteristic proportions and structural rigidity of the sill area.

Placement on the left side of the vehicle eliminates the need to adapt universal solutions and reduces the risk of installation issues. This is particularly important for post-accident repairs and restoring the vehicle to its factory-specified condition.

Sterlinggrau Metallic - 472 color and aesthetic values

The Sterlinggrau Metallic - 472 color is a factory shade used by BMW, which facilitates maintaining visual consistency of the bodywork. For many Z4 users, it is crucial that the new component does not stand out from the rest of the body and that the painting process is as simplified as possible.

Choosing a side skirt in the same paint code allows you to:

• minimize the scope of paintwork,
• achieve a harmonious look for the side of the body,
• maintain the characteristic, elegant shade of grey typical for BMW.

Component characteristics and service application

As an element from the Sill strips group, the side skirt serves both a protective and aesthetic function. A properly selected component helps limit the impact of mechanical damage to the lower part of the body and constitutes an essential part of the vehicle's side structure.

The product is particularly suitable for situations such as:

• repairing damage after a collision or hitting an obstacle,
• bodywork renovation in vehicles undergoing reconstruction,
• restoring the original appearance of the car after previous non-factory modifications.

The used nature of the part allows for cost-effective repairs while maintaining the manufacturer's original specifications, which is important for both private users and workshops specializing in the BMW brand.

Benefits of using an original BMW side skirt

Using an original side skirt in a BMW Z4 E85/E86 brings a number of practical benefits. Factory fitment translates into proper alignment with doors, fenders, and other side body components, which facilitates bodywork and reduces the need for additional modifications.

Key advantages include:

• compliance with body construction – maintaining the correct sill line and mounting points,
• visual consistency – matching the factory color and stylistic character of BMW,
• cost-effectiveness of repair – the possibility of using a used component of original origin instead of an expensive new part.

Expanding the sill area repair in BMW

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 strips, check out the available parts in the BMW Sill strips category.

Technical support and knowledge about sports models

If you are interested in a broader context of structural differences between standard and sports versions, including solutions in the engine, brakes, and chassis, it is worth reading the comparative material available in the article Audi RS vs other models – what is hidden under the hood and chassis?. This will allow you to better understand how premium manufacturers design key vehicle zones, including areas exposed to operational loads.