BMW X5 E70 Front Left Right Wheel Ventilated Brake Disc 348X30mm 6886477

BMW X5 E70 Front Left Right Wheel Ventilated Brake Disc 348X30mm is an original brake system component from the Brake discs group, designed for use on the front axle on both the left and right sides. The ventilated disc design supports stable heat dissipation, which promotes consistent, predictable braking in daily operation. The product is used, making it an economical solution while maintaining factory geometry and fitment for the BMW brake system.

Specifications and technical data

• SKU: 6886477
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6886477
• Substitutable numbers: 6886477, 34116886477, 34116793244, 6793244, 34116771986, 6771986
• Location on the vehicle: Front, Left, Right
• Category: Brake Disc Rotors

Purpose and fitment for BMW X5 E70

The presented disc is designed for installation on the front axle of the BMW X5 E70, with the possibility of application on both the left and right sides. The design takes into account the requirements of a massive SUV, where the brake system operates under higher thermal and mechanical loads than in passenger cars. The use of a dedicated disc minimizes the risk of vibrations, uneven pad wear, and lateral runout issues, which translates into stable vehicle handling during braking.

Construction of the ventilated brake disc

The disc features a ventilated construction, which means there are channels between the working surfaces. This design:

• facilitates heat dissipation from the friction surfaces during intensive braking,
• reduces the risk of pad overheating and loss of braking efficiency,
• supports uniform temperature distribution, which promotes the dimensional stability of the disc.

As a result, the BMW X5 E70 brake system maintains predictable operating characteristics both in city traffic and at higher highway speeds. Using a disc with the appropriate diameter and thickness ensures proper braking leverage and compatibility with factory calipers.

Benefits of using an original brake disc

Choosing an original brake disc for a BMW translates into several practical operational benefits:

• Factory fitment – compliance with the parameters specified by the vehicle manufacturer is maintained, which facilitates installation and service.
• Consistent cooperation with calipers and pads – a properly selected working surface reduces the risk of uneven wear of friction elements.
• Stable braking characteristics – the ventilated design supports the maintenance of repeatable braking efficiency across a wide range of loads.

The used component allows for optimizing repair costs while maintaining the original installation specification, which is especially important during comprehensive work on the brake system.

Vehicle placement and installation aspects

The disc is intended for installation on the front of the vehicle, with the possibility of application on the left and right sides. Such a solution simplifies part selection when replacing a pair of discs on an axle, while ensuring consistency of parameters on both sides of the vehicle. Proper placement on the vehicle is crucial for:

• maintaining uniform braking force on both front wheels,
• proper cooperation with sensors and brake system control elements,
• maintaining vehicle stability during emergency braking.

Before installation, it is recommended to verify the hub surface, clean it of corrosion and dirt, and check the condition of the brake pads to fully utilize the potential of the installed disc.

Safe selection of used brake system components

When choosing a used brake disc, it is worth paying attention to compliance with the manufacturer's part number and interchangeable numbers, which facilitates matching to a specific version of the BMW X5 E70. It is also important to check the condition of the working surfaces, the thickness of the disc, and any signs of overheating. Detailed tips on evaluating and selecting used brake system components – including discs, calipers, and ABS components – can be found in the article: Second-hand brake system: how to safely choose discs, calipers, and ABS?.

If you are planning a comprehensive repair or upgrade of the braking zone in your BMW and need other components from the same group, such as additional discs, compatible pads, or supplementary brake lines, check the available parts in the BMW Brake discs category.