BMW X3 Series E83 Left N/S Rear Wheel Arch Wing Liner Dirt Shield Splash 3400057

BMW X3 Series E83 Left N/S Rear Wheel Arch Wing Liner Dirt Shield Splash is an original body component from the Mudflaps group, designed for installation in the rear left section of the vehicle. It provides effective protection for the wheel arch against water, mud, and minor mechanical damage, stabilizing the operating conditions of the suspension and body components in this area. This is a practical solution for BMW X3 E83 users who need a solid, used shield that matches the factory body geometry.

Specifications and technical data

• SKU: 3400057
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 3400057
• Substitutable numbers: 51713400057, 3400057, AS
• Location on the vehicle: Rear, Left
• Category: Splash Guards & Mud Flaps

Purpose and fitment for BMW X3 E83

The presented wheel arch liner is designed specifically for the BMW X3 E83 model and is installed in the rear left wheel arch area. Thanks to its factory shape and mounting points, it allows for precise fitment to the body without the need for modifications or adjusting universal replacements. This solution reduces the risk of looseness, unwanted vibrations, and leaks in the wheel arch zone.

Protective and operational function

The wheel arch liner plays an important role in protecting the rear body section and suspension components against:

• splashing with water, mud, and road salt,
• impacts from small stones and debris,
• accumulation of dirt in hard-to-reach spaces.

As a result, it limits accelerated corrosion of the sheet metal in the wheel arch area and reduces wear on fasteners and surrounding components. A properly selected liner helps maintain stable suspension operating conditions and improves the long-term durability of the bodywork.

Installation characteristics

The rear left wheel arch liner for the BMW X3 E83 is structurally prepared for installation at factory mounting points. This facilitates the work of a mechanic or a person servicing the vehicle independently, because it:

• does not require interference with the body structure,
• allows the use of original mounting points,
• ensures predictable fitment with other body components.

Such fitment shortens installation time and reduces the risk of problems during subsequent operation, such as rubbing against the tire or leaks in the wheel arch zone.

Condition and benefits of choosing a used component

The item comes from the used BMW parts group, which allows for combining a reasonable purchase cost with the preservation of original geometry and installation characteristics. Choosing a used wheel arch liner is particularly beneficial for post-accident repairs, replacing corroded or damaged parts, and restoring the car to a technically sound condition without overstretching the budget.

Extending wheel arch protection in BMW

If you are planning a comprehensive repair or upgrade of the wheel arch area in your BMW and need other components from the same group, such as additional shields, protective profiles, or water drainage elements, check out the available parts in the BMW Mudflaps category.

For drivers interested in a broader approach to vehicle maintenance and the conscious selection of used drivetrain components, practical tips on assessing the condition of subassemblies can be found in the article: Second-hand differential – what you need to know about used differentials, sensors, and drivetrain systems.