BMW X5 E70 Sill Strip Side Skirt Aluminium Footplate Left N/S Black Sapphire

BMW X5 E70 Sill Strip Side Skirt Aluminium Footplate Left N/S Black Sapphire is an original body component designed for installation on the driver's side. Thanks to its robust construction and Black Sapphire Metallic finish, it effectively protects the sill area from road debris and improves functionality when entering and exiting the vehicle.

Specifications and technical data

• SKU: 7163555-BS
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7163555
• Substitutable numbers: 51777163555, 71635565, 51777325703, 7325703
• Weight: 150
• Location on the vehicle: Left
• Color: Black Sapphire Metallic - 475
• Category: Splash Guards & Mud Flaps

Purpose and function in the BMW X5 E70

The presented BMW X5 E70 Sill Strip Side Skirt Aluminium Footplate Left N/S Black Sapphire has been designed specifically for the BMW X5 E70, taking into account the body geometry and factory mounting points. The component is installed on the left side of the vehicle and works in conjunction with factory wheel arch covers and the lower door section to create a cohesive, functional protective system.

As a body group part, it performs several key tasks:

• protects the lower edge of the bodywork from water, mud, and small stones thrown up by the wheels,
• facilitates safe entry and exit, especially in taller X5 models,
• optically stabilizes the side line of the car, maintaining the original factory look.

Construction, material, and finish

The sill is made of aluminium, which provides an excellent strength-to-weight ratio and resistance to typical operational loads. The outer part is finished in Black Sapphire Metallic, allowing the component to blend harmoniously with body paint in the same shade as well as with black and dark styling accessories.

This solution helps maintain visual consistency across the entire side line while ensuring easier cleaning compared to raw, unpainted surfaces. The design incorporates factory mounting points, which facilitates correct alignment relative to the sill and doors.

Condition, fitment, and installation

The component is a removed part offered as an original BMW part in used condition, which ensures factory-grade fitment to the X5 E70 body. Due to its compliance with the original body specifications, installation is predictable, without the need for structural modifications or fitting aftermarket replacements.

Before installation, it is recommended to perform a standard verification of the vehicle's mounting points and check compatibility with the right-hand sill to maintain a uniform side line. A properly selected left-side component allows for restoring the car's cohesive appearance following mechanical damage or corrosion in the sill area.

Benefits of using an original side sill

Using an original left side sill with an aluminium footplate in the BMW X5 E70 offers a range of practical benefits:

• Factory fitment – maintaining original gaps and body lines without the need for adjusting aftermarket parts.
• Consistent aesthetics – the Black Sapphire Metallic color allows for visual integration of the component with body paint in the same shade.
• Functional protection – an additional barrier against dirt and minor mechanical damage to the lower part of the bodywork.
• User comfort – more convenient entry and exit, especially in models with higher ground clearance.

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

For drivers who are simultaneously diagnosing disturbing noises from the chassis and want to better understand the impact of suspension condition on driving comfort, the following guide article may be helpful: Suspension knocking? Discover a clever way to restore factory handling precision without spending a fortune at the service center.