BMW X5 E70 Rear Right O/S Wheel Arch Housing Cover Splash Guard 7158378

The Right Rear Wheel Arch Liner for BMW X5 E70 (rear right wheel well liner / splash guard) is a body component designed by BMW to effectively protect the wheel area from water, mud, and debris. As part of the Mud Flaps group, it helps to reduce corrosion and wear on suspension components, improving the durability and functionality of the wheel arch in daily use.

Specifications and technical data

• SKU: 7158378-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7158378
• Substitutable numbers: 51487248210, 7248210, 51487158378, 7158378, BG
• Location on the vehicle: Rear, Right
• Category: Splash Guards & Mud Flaps

Purpose and Technical Function

The presented wheel arch liner is dedicated to the rear right side of the BMW X5 E70 body. This element operates in close proximity to the wheel, so its task is to:

• limit direct contact of water, salt, and mud with the body panels,
• protect suspension components and wheel arch mounts from accelerated wear,
• stabilize airflow within the wheel well, contributing to a cleaner operation of this area.

Thanks to its precise fit to the BMW X5 E70 body geometry, the liner forms a cohesive system with the wheel arch, which facilitates maintaining proper sealing and improves resistance to dirt.

Construction and Fit for BMW X5 E70

The wheel arch liner is designed as a component to be installed in the rear right part of the vehicle, taking into account the factory mounting points in the BMW X5 E70. This means that:

• the shape and profile are adapted to the original body construction,
• provision is made for factory clips and mounts,
• the element works in conjunction with other wheel arch trim components and the mud flap system.

This solution facilitates installation in a standard body configuration, without the need for vehicle modifications, which is particularly important for maintaining compliance with the factory BMW specification.

Performance Characteristics and Installation

As a component from the Mud Flaps category, the right rear wheel arch liner operates in demanding conditions – it is exposed to constant contact with water, mud, and small stones. A properly selected splash guard helps to:

• reduce the risk of corrosion developing in the wheel arch area,
• limit dirt accumulation in the wheel well, making suspension and brake servicing easier,
• maintain a more organized flow of debris from under the wheel, which affects the aesthetics and functionality of the body.

The component is intended for installation in place of the factory liner, allowing for relatively efficient replacement in workshop or service conditions, while maintaining the original trim geometry.

Condition and Benefits of Using a Used Part

The offered wheel arch liner is a used part, sourced from dismantling, which represents a reasonable compromise between cost and maintaining the original BMW specification. Using an original used component allows for:

• maintaining the structural integrity of the body with factory solutions,
• preserving proper fit with other wheel well components,
• reducing repair costs compared to purchasing a new OEM part.

For BMW X5 E70 owners looking to restore proper protection to the right rear wheel arch after mechanical damage or corrosion, this is a practical service solution.

Expanding Wheel Arch Protection in BMW

If you are planning a comprehensive repair or upgrade of the wheel arch areas on your BMW and need other parts from the same group, such as additional covers, mud flaps, or wheel well liners, check the available parts in the BMW Mud Flaps category.

To better understand the differences between standard body components and sport and tuning components in this brand's range, it is worth reading the article BMW M Performance: What's the Difference Between BMW M Components and Standard Ones?, which discusses, among other things, the use of used BMW parts in various vehicle configurations.