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

BMW X5 E70 Wheel Arch Liner Rear Right 7158378 is an original body part from the Mudguards group, designed for installation on the rear right side of the vehicle. It provides effective protection for the wheel arch against water, mud, and minor mechanical damage, stabilizing the operating conditions of suspension and body components in this area. This solution is dedicated to users expecting precise fitment and the preservation of the original BMW X5 E70 construction.

Specifications and technical data

• SKU: 7158378-1
• 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

Wheel Arch Purpose and Function

The presented wheel arch liner is designed specifically for the rear right side of the BMW X5 E70. Its purpose is to limit direct contact between the wheels and the body and underbody elements, which translates into more stable suspension operating conditions and better anti-corrosion protection in this zone. Thanks to its design tailored to the specific model, the wheel arch liner forms a cohesive system with the factory mountings and other covers.

Construction and Fitment for BMW X5 E70

The Rear Right Wheel Arch Liner is a part shaped to match the body geometry of the BMW X5 E70, which facilitates installation and preserves the original wheel arch line. The mounting holes and edge profile are prepared for factory mounting points, ensuring stable operation of the liner after installation, without unwanted play or vibrations. Such a precise fit also promotes proper airflow and efficient removal of contaminants from the wheel arch area.

Benefits of Using an Original Wheel Arch Liner

Using a dedicated liner on the rear right side of the vehicle helps to limit the ingress of water, road salt, and small stones into the wheel arch. In practice, this leads to:

• reduced risk of accelerated corrosion of metal components in this area,
• protection of wires, mountings, and other components located within the wheel arch,
• more predictable suspension operating conditions during daily use,
• maintenance of the vehicle's factory appearance and completeness.

For users who care about the technical and visual condition of their vehicle, using the correct wheel arch liner is a simple way to improve the durability of the critical rear axle area.

Product Characteristics and Condition

This part belongs to the Mudguards group, meaning its design is focused on protecting the body from debris thrown up by the wheels. The product is offered as used, which means it may show signs of previous use while retaining the functionality required for further installation in the vehicle. For many users, this is a beneficial solution that allows them to maintain the original vehicle specification at a reasonable replacement cost.

Part Selection by Numbers and Location

The liner is assigned to a specific location on the vehicle – the rear right side – which facilitates unambiguous selection when planning repairs or replacements. The product has an OEM part number and associated interchangeable numbers, allowing for precise identification in service catalogs and parts selection systems, minimizing the risk of ordering errors. This allows for quick verification of compatibility with a specific BMW X5 E70 equipment version.

If you are planning a comprehensive repair or upgrade of the wheel arch and mud protection area on your BMW and need other parts from the same group, such as covers, mudguards, or additional protective panels, check the available parts in the BMW Mudguards category.

For users who, alongside bodywork, are also analyzing the engine's fuel system condition and want to deepen their knowledge of diagnostics and part selection by catalog numbers, the guide article Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Repair, which describes practical aspects of operating and repairing fuel system components, may be helpful.