BMW 3 E46 320d M47N Rear Right O/S Suspension Leg Brake Disc Wheel Hub Axle

BMW 3 E46 320d M47N Rear Right O/S Suspension Leg Brake Disc Wheel Hub Axle for the BMW 3 Series E46 320d with the M47N engine is a complete, used assembly of components including the suspension strut, wheel hub, brake disc, and axle. This solution is designed for users who want to consistently and technically correctly restore the factory geometry of the rear right suspension, maintaining the handling characteristics typical of a BMW. By using original components from the same axle, it is easier to maintain the proper stiffness and stability of the chassis.

Specifications and technical data

• SKU: 6774778-4
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6774778
• Substitutable numbers: 33326774778, 6774778, 34216758136, 6758136, 34216864056, 6864056, 33321136644, 1136644, 33321094458, 1094458, 33326770804, 6770804, 34211165034, 1165034, 34211165563, 1165033, 34216855154, 6855154, 33217530246, 7530246, 33217530964, 7530964
• Location on the vehicle: Rear, Right
• Category: Suspension Component Replacement Kits

Purpose and configuration of the component

The presented set is dedicated to the rear right axle of the BMW 3 E46 320d M47N. It includes a suspension assembly integrated with the wheel hub, brake disc, and axle, which facilitates maintaining correct alignment and compatibility with the factory braking system. This configuration is particularly beneficial for repairs after collisions or in cases of advanced wear of load-bearing components.

Construction and function of the suspension set

The suspension replacement set combines several key components responsible for wheel guidance, load transfer, and effective braking into a single module. The suspension strut stabilizes vertical wheel movement, the hub ensures axiality and smooth rotational operation, and the brake disc works with the caliper to guarantee adequate braking force. Integrating these elements into one assembly reduces the risk of incorrect installation and simplifies service.

Benefits of using an original used set

The original, used BMW 3 E46 320d M47N Rear Right O/S Suspension Leg Brake Disc Wheel Hub Axle allows you to maintain the factory operating parameters of the chassis without the need to mix parts from different manufacturers. This solution is particularly advantageous when you care about consistent handling characteristics, predictable vehicle behavior in corners, and proper cooperation with the existing braking system. A complete assembly from one side of the axle reduces installation time and facilitates technical condition checks during replacement.

Condition, fitment, and service application

The item comes from dismantling and is intended for reinstallation in a vehicle after prior verification by a mechanic. Thanks to the preservation of the original mounting geometry, the set fits well into the factory mounting points of the body and control arms, which facilitates wheel alignment and angle checks after repair. The Suspension replacement sets category makes the product suitable for both standard maintenance repairs and suspension rebuilding after mechanical damage.

If you are planning a comprehensive repair or upgrade of the rear suspension area in your BMW and need other components from the same group, such as additional struts, hubs, or complete axle modules, check the available parts in the BMW suspension replacement sets category.

Technical support and service knowledge

During major repair work, it is worth considering the condition of the drivetrain and transmission system to avoid the return of troublesome vibrations or noises on the rear side. For a better understanding of when it pays to reach for original used components instead of investing in costly regeneration, read the article: Manual transmission failures in cars – why is an original used part a more sensible choice than regeneration?

If you are interested in a broader context of operating BMW diesel engines and the impact of aftermarket part quality on maintenance costs, the following material may also be helpful: BMW N47 vs M57 / M57N / M57N2 – a ranking of legendary diesels: performance, reliability, and aftermarket parts costs.