BMW U06 220i B38N Front Left N/S Suspension Wheel Hub Leg Brake Caliper Disc

BMW U06 220i B38N Front Left N/S Suspension Wheel Hub Leg Brake Caliper Disc is a complete, used module designed for installation on the front axle on the driver's side. It contains key components responsible for wheel guidance, load transfer, and effective braking, making it a practical service solution for post-collision repairs or replacing worn-out components.

Specifications and technical data

• SKU: 5A3E6B5-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 5A3E6B5
• Substitutable numbers: 5A3E6B5, 31305A3E6B5, 6890171, 31216890171, 8846689, 34108846689, 6891079, 34106891079
• Location on the vehicle: Front, Left
• Category: Suspension Component Replacement Kits

Purpose and configuration of the set

The offered item is an integrated set from the Suspension replacement kits category, covering the front left side of the vehicle. The modular design facilitates service – instead of selecting individual components, the mechanic receives a complete suspension assembly with a wheel hub, leg, and brake system components, which reduces the risk of part incompatibility and shortens assembly time.

The placement on the vehicle, specified as front – left side, ensures clear identification for installation, which is particularly important when working with modern BMW platforms, where the geometry and suspension characteristics are precisely defined for each axle and side.

Benefits of using an original BMW set

Using an original BMW suspension set allows you to maintain the factory driving parameters, stability, and ride comfort. The elements included in the module have been designed as a cohesive system, thanks to which:

• the correct front axle geometry is maintained,
• compatibility with the factory brake system is ensured,
• the risk of incorrect part fitting is minimized.

For the user, this means predictable vehicle behavior during braking, cornering, and high-speed driving, and for the workshop – a simpler assembly process and fewer potential complaints.

Assembly and service characteristics

The complete front left suspension assembly with hub and brake system is particularly useful for post-accident repairs, when several elements are damaged simultaneously. Using one, cohesive module:

• simplifies the selection of spare parts,
• reduces the need for additional processing or adaptation,
• facilitates technical condition inspection during assembly.

After installation, it is recommended to perform a full front axle geometry adjustment to fully utilize the set's properties and ensure even tire wear and stable vehicle handling.

Condition and practical application

The offered set is a used part, which allows for economical repair while maintaining the original BMW specification. Before installation, it is worth performing a standard workshop inspection, including an assessment of the brake system friction elements and checking for play within the suspension mounts, to adjust the scope of work to the specific vehicle and usage style.

A module configured in this way will work well both for routine repairs and for restoring factory driving parameters after mechanical damage, ensuring structural consistency with other front axle components.

Related BMW suspension sets and service knowledge

If you are planning a comprehensive repair or upgrade of the suspension zone in your BMW and need other elements from the same group, such as additional legs, hubs, or complete axle modules, check the available parts in the BMW suspension replacement kits category.

To maximize the potential of used components and ensure their long-term, safe operation, it is worth reading practical tips on maintenance and operation – you will find them in the article How to extend the life of used car parts?. Additionally, when working with the brake system, the guide Second-hand brake system: how to safely select discs, calipers, and ABS? may be helpful, which facilitates the assessment of the condition and selection of brake components in BMW vehicles.