BMW F80 M3 F82 M4 Wheel Hub Knuckle Carrier Bearing Left N/S 2284001

BMW F80 M3 F82 M4 Wheel Hub Knuckle Carrier Bearing Left N/S is an original suspension component designed for installation on the left side of BMW F-series sports models. This used OEM part ensures factory-spec fitment, correct suspension geometry, and stable vehicle handling during dynamic driving. It is a practical solution for users seeking a proven component built to the manufacturer's specifications.

Specifications and technical data

• SKU: 2284001-3
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 2284001
• Substitutable numbers: 31212284001, 2284001
• Location on the vehicle: Left
• Category: Other Steering & Suspension Parts

Purpose and function in the suspension system

The steering knuckle with an integrated hub and bearing is responsible for precise wheel guidance, transferring loads from the suspension to the chassis, and providing a stable mount for the brake disc and caliper. In BMW F80 M3 and F82 M4 models, this component operates under demanding conditions – at high speeds, under significant lateral forces, and during intense braking, which is why using a component consistent with the factory design is crucial.

Positioning on the left side of the vehicle helps maintain correct axle geometry, which translates into:

• stable handling during acceleration and braking,
• predictable vehicle behavior in corners,
• even wear of tires and suspension components.

Benefits of using an original BMW steering knuckle

Using an original wheel hub carrier in the BMW F80 M3 / F82 M4 provides a number of practical advantages compared to aftermarket replacements of unknown origin. A design consistent with the manufacturer's blueprint guarantees:

• factory mounting points for control arms, shock absorbers, and brake system components,
• appropriate rigidity of the entire wheel assembly,
• compatibility with standard suspension solutions used in these models.

As a result, installation is predictable for the mechanic, and after wheel alignment, the car retains the handling characteristics intended for the M version.

Part condition and service application

This item comes from a group of used BMW components, allowing for economical repair while maintaining the original design. This type of steering knuckle with hub and bearing is particularly suitable in situations where:

• mechanical damage has occurred as a result of a collision or impact with an obstacle,
• there are issues with maintaining axle geometry following previous repairs,
• it is necessary to replace the entire wheel assembly on the left side instead of refurbishing individual parts.

Choosing a complete hub carrier simplifies service work – the mechanic replaces the entire unit, minimizing the risk of additional stress resulting from previous deformations.

Selection and vehicle compatibility

To correctly select the steering knuckle with hub and bearing for a specific BMW F80 M3 or F82 M4, it is worth verifying compatibility with the OEM part number and interchangeable numbers in service documentation or the manufacturer's catalog. The product has assigned identifiers that facilitate clear identification and matching to a specific vehicle configuration.

In case of doubt, it is useful to compare the design of the removed part with the offered component – especially in the area of suspension mounting points, sensors, and the brake system. This helps avoid installation issues and ensures the correct operation of the entire suspension system.

Expanding the scope of repair and additional materials

If you are planning a comprehensive repair or upgrade of the suspension and chassis area in your BMW and need other elements from the same group, such as additional steering knuckles, wheel hubs, or bearings, check out the available parts in the Other BMW category.

When working on sports models and analyzing differences in chassis and brake design between standard and performance versions, it is worth referring to technical materials. You may find the article describing the characteristics of engines, brake systems, and chassis components in high-performance cars helpful – you can find it here: Audi RS vs other models – what is hidden under the hood and chassis?.