BMW X3 F25 20dX B47 Rear Left N/S Wheel Hub Suspension Leg Brake Caliper Disc

The BMW X3 F25 20dX B47 Rear Left Wheel Suspension Knuckle is an original drivetrain component designed for the rear left side of the suspension. Thanks to its factory geometry and precise manufacturing, it ensures stable handling, correct wheel alignment, and predictable vehicle behavior in everyday use. This solution is particularly attractive for users looking for a proven suspension component for their BMW X3 F25.

Specifications and technical data

• SKU: 6797569-4
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6797569
• Substitutable numbers: 33406797569, 6797569, 34216791017, 6791017, 33207614493, 7614493, 34206868936, 6868936
• Weight: 150
• Location on the vehicle: Rear, Left
• Category: Suspension Component Replacement Kits

Purpose and Function in the BMW X3 F25 Suspension

The rear left suspension knuckle in the BMW X3 F25 is responsible for the precise guidance of the wheel hub, maintaining correct suspension geometry, and transferring loads between the wheel and the body. Its placement on the vehicle in the rear left part of the drivetrain means this component works with the control arms, shock absorber, spring, and braking system, directly influencing:

• driving stability at higher speeds,
• even tire wear,
• braking effectiveness and the operation of stability control systems,
• comfort in damping unevenness on the rear axle.

Benefits of Using an Original Suspension Knuckle

Using a suspension knuckle from the original BMW suspension system allows for the preservation of the vehicle's factory handling parameters. The design is tailored to the specific weight distribution and characteristics of the X3 F25 model with the B47 engine, facilitating correct toe and camber alignment after installation. Additionally:

• compatibility with standard suspension and brake components minimizes the risk of installation problems,
• correct interaction with ABS/ESP systems is maintained,
• the predictable handling characteristics typical of the BMW X3 F25 are preserved.

Component Condition and Application in Service Practice

The suspension knuckle comes from the Suspension Replacement Kits category, making it a good choice for comprehensive rear axle service – especially after a collision, mechanical damage, or visible deformation of the old component. Its used condition allows for economical repair while maintaining the original design, which is particularly important for precise drivetrain components.

The component is intended for installation on the rear left side of the vehicle, so when planning the work, it is advisable to consider simultaneous inspection of other suspension components, such as control arms, bushings, or shock absorber mounts, to achieve a cohesive service effect after replacement.

Selection, Compatibility, and Technical Aspects

The suspension knuckle has a dedicated OEM part number and associated interchangeable numbers, which facilitates verification of compatibility with specific BMW X3 F25 20dX B47 versions. In service practice, this means the component can be precisely matched to the year, drive version, and equipment configuration without requiring modifications to the suspension structure.

The weight of the component is adapted to the requirements of the rear axle in this model, which is important for the operation of springs, shock absorbers, and the total unsprung mass. A correctly selected suspension knuckle helps maintain the factory parameters of comfort and suspension response to unevenness.

Technical Support and Additional Information

When choosing used suspension components, it is worth paying attention to the design differences between standard and sport versions and their impact on vehicle handling. A detailed discussion of these issues, along with practical tips for selecting used components, can be found in the article Standard vs. Sport Suspension – Design Differences and Selection of Used Suspension Parts.

If you are planning a comprehensive repair or upgrade of the suspension area in your BMW and need other parts from the same group, such as control arms, springs, or shock absorbers, check the available parts in the BMW Suspension Replacement Kits category.