BMW Z4 E89 Side Skirt Front Left N/S Sill Strip Alpinweiss Alpine White - 300

Visual condition of the part

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

BMW Z4 E89 Side Skirt Front Left N/S Sill Strip Alpinweiss Alpine White - 300 is an original body component from the Side skirts category, designed for installation on the front left side of the BMW Z4 E89 model. Finished in the factory Alpinweiss 3 - 300 color, it allows for an aesthetic and technically correct replacement of a damaged strip without the need for fitting aftermarket alternatives.

Specifications and technical data

• SKU: 0037523-AW
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 0037523
• Substitutable numbers: 51770037523, 0037523
• Weight: 150
• Location on the vehicle: Front, Left
• Color: Alpinweiss 3 - 300
• Category: Running Boards & Side Bars

Purpose and function of the component

The presented side skirt is designed as an exterior body part, mounted in the sill area on the driver's side. It is responsible for protecting the lower edge of the bodywork against mechanical damage and for maintaining the vehicle's consistent side profile. Thanks to its factory profile, it ensures proper alignment with other body panels and stable mounting at the original attachment points.

Color and visual fit

The strip is finished in Alpinweiss 3 - 300, a color characteristic of many BMW Z4 E89 units. Using the original shade makes it easier to maintain a uniform paint appearance along the entire side of the vehicle, which is important both for post-accident repairs and for replacing the part due to wear and tear. In practice, this reduces the need for additional painting of the entire panel, provided the condition of the coating matches the rest of the bodywork.

Mounting and construction parameters

The side skirt is prepared for installation on the front left side of the vehicle, in accordance with the factory mounting layout of the BMW Z4 E89. The component's design includes:

• a profile matched to the geometry of the sill and the lower part of the door,
• designated mounting points to the bodywork,
• maintenance of appropriate rigidity with low weight.

As a result, the installation process is predictable for the workshop, and once installed, the strip creates a cohesive line with the other elements of the side body section.

Condition and service application

The component comes from disassembly, making it an attractive solution for service repairs where a combination of original quality and cost-effectiveness is important. This type of side skirt is particularly suitable in situations where it is necessary to replace a damaged outer sill, and the priority is to maintain the vehicle's factory appearance and proper fit to the existing body structure.

Application in BMW sill area repairs

If you are planning a comprehensive repair or modernization of the sill area in your BMW and need other components from the same group, such as covers, overlays, or additional strips, check the available parts in the BMW side skirts category.

Technical support and part selection

When selecting body components for the BMW Z4 E89, it is worth paying attention to the compatibility of the placement on the vehicle, color, and construction parameters to avoid problems with installation and fitment. For more complex repairs, including electronic systems or sensors, a guide on used modules and electronic components may be helpful – you can find it in the article Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?, which discusses the practical aspects of selecting and installing such parts.