BMW 3 Series E90 320d N47 Rear Right O/S Suspension Leg Axle Brake Disc

BMW E90 320d N47 Wheel Hub Knuckle Rear Axle Suspension is a complete drivetrain component designed for the rear right side of the vehicle, specifically for BMW E90 models with an N47 engine. This solution from the Suspension Replacement Kits group allows for efficient, technically correct restoration of the rear suspension geometry and rigidity without the need to select individual components.

Specifications and technical data

• SKU: 6774810-16
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6774810
• Substitutable numbers: 33326774810, 6774810, 34216768698, 6768698, 33217547076, 7547076, 33217533446, 7533446, 33326774806, 6774806, 33326757080, 6757080, 33326761582, 6761582, 34216855007, 6855007, 34216764651, 6764651
• Location on the vehicle: Rear, Right
• Category: Suspension Component Replacement Kits

Purpose and Function in the Suspension System

The wheel hub knuckle with axle for the rear right side in the BMW E90 320d N47 is responsible for precise wheel guidance, transferring loads from the body to the road, and proper interaction with the drivetrain. Integrating these elements into a single unit facilitates maintaining correct geometry, driving stability, and predictable vehicle behavior during acceleration, braking, and cornering.

This component operates in a critical area of the rear suspension, where maintaining appropriate rigidity, alignment, and cooperation with shock absorbers, springs, and the braking system is crucial. Thanks to its factory design tailored to the E90 platform, installation is orderly and in line with the vehicle manufacturer's specifications.

Compatibility and Fitment for BMW

The presented assembly has been developed with a specific BMW model in mind, which translates to correct mounting points, appropriate axle length, and wheel hub knuckle geometry. This means that no mechanical adaptations or modifications are necessary, and the entire unit works with the factory components of the rear axle suspension and drivetrain.

An additional advantage is the presence of dedicated part numbers and interchangeable numbers in the technical specification, which facilitates verification of compatibility with the specific vehicle equipment version. This allows for an informed selection of the component for your BMW, minimizing the risk of incorrect fitment.

Performance Characteristics of a Used Component

The offered assembly is from a dismantled vehicle, which allows for retaining the original BMW construction while reducing repair costs. The used component preserves the factory design solutions, and thus the correct rigidity and compatibility with other rear suspension elements. This is a sensible choice when mechanical damage, corrosion, or operational wear has occurred within the wheel hub knuckle or axle.

Choosing an original component from the aftermarket is particularly beneficial for cars like the BMW E90 320d N47, where steering precision and rear axle stability directly impact driving comfort and safety. Maintaining structural consistency with the rest of the suspension system promotes predictable vehicle behavior in everyday use.

Benefits of Installing a Complete Rear Suspension Kit

Replacing the complete wheel hub knuckle–axle assembly on the rear right side allows for restoring the proper operation of a significant part of the drivetrain in a single service process. This reduces the risk of subsequent problems arising from combining components with different wear levels or origins. The mechanic receives a cohesive, factory-matched assembly, which simplifies installation and subsequent geometry adjustment.

This approach is particularly useful after a collision, a severe impact with an obstacle, or prolonged operation in difficult road conditions, where deformation or material fatigue may have occurred. Using a complete element from the Suspension Replacement Kits group allows for faster restoration of the rear axle's full functionality and reduces vehicle downtime.

How to Care for a Used Suspension Assembly

To maximize the potential of a used rear suspension component, it is advisable to regularly check the condition of the boots, bolted connections, and cooperating components such as bearings or rubber-metal elements. Proper installation, correct tightening torques, and subsequent geometry checks significantly extend the period of trouble-free operation.

Practical tips for maintaining and operating dismantled components, including suspension parts, can be found in the article How to Extend the Lifespan of Used Car Parts?, which describes proven methods for caring for components from the aftermarket.

Additional Information and Related Products

If you are planning a comprehensive repair or upgrade of the rear suspension area in your BMW and need other elements from the same group, such as control arms, mounts, or additional assembly components, check the available parts in the BMW Suspension Replacement Kits category.

If you want to better understand the specifics of the aftermarket and make informed choices for your car, the guide Used Parts – Your Guide to the Best Deals in the Automotive Store will be helpful, discussing how to combine cost-effectiveness with ensuring vehicle efficiency.