BMW 3 E46 Cabrio 320Ci M54 Rear Right O/S Suspension Leg Brake Wheel Hub Axle

BMW 3 E46 Cabrio 320Ci M54 Rear Right O/S Suspension Leg Brake Wheel Hub Axle is a complete, original base for professional repair of the rear suspension corner. The part comes from dismantling, which allows it to maintain factory geometry while enabling an economical rebuild of the chassis. This solution is particularly beneficial when the suspension has been damaged due to a collision or intensive use and a consistent assembly kit is required.

Specifications and technical data

• SKU: 6774778-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6774778
• Substitutable numbers: 33326774778, 6774778, 34216758136, 6758136, 33211229494, 1229494, 33211229588, 1229588, 34216864056, 6864056, 33321136644, 1136644, 33321094458, 1094458, 33326770804, 6770804, 34211165034, 1165034, 34211165563, 1165033, 34216855154, 6855154
• Location on the vehicle: Rear, Right
• Category: Suspension Component Replacement Kits

Purpose and compatibility for BMW 3 E46 Cabrio 320Ci M54

The presented suspension assembly is designed for use on the rear right side of the BMW 3 Series E46 Cabrio body with the M54 320Ci engine. It includes key components of the suspension corner, including the suspension leg, wheel hub, and part of the braking system, which facilitates maintaining proper geometry and connection stiffness.

Because this is an original BMW component, factory mounting points, proper stiffness, and compatibility with stock chassis and braking system elements are preserved. This is essential for precise wheel alignment and restoring predictable vehicle handling.

Kit construction and benefits of installing a complete unit

Using a complete rear right suspension assembly with hub and axle reduces the risk of part mismatch and speeds up service work. In one installation, you restore:

• stable wheel mounting on the rear right side,
• correct guidance of control arms and cooperating elements,
• consistent operation of the suspension and braking system in this corner.

Such a solution is particularly practical for post-accident repairs, when it is difficult to verify which individual element has been deformed. A complete suspension leg with wheel hub often allows for restoring correct geometry faster than replacing individual components.

Characteristics of the original used BMW part

The original BMW suspension assembly from the Suspension replacement kits category ensures the preservation of factory chassis performance parameters. The used component is a reasonable compromise between cost and quality – you receive a part with the design intended by the manufacturer, without the typical material compromises known from many aftermarket replacements.

In practice, this means:

• factory fitment with the body and other suspension elements,
• preservation of predictable vehicle behavior in corners and during braking,
• lower risk of installation problems thanks to stock mounting points.

The used condition allows for economical repair, especially in older E46 Cabrio models, where the priority is to keep the car in good technical condition at reasonable service costs.

Professional use in suspension repairs

This rear right suspension assembly with wheel hub and axle will work well both in workshops specializing in the BMW brand and for conscious users servicing their own cars. The completeness of the element facilitates:

• restoring correct vehicle handling after mechanical damage,
• reducing diagnostic time for individual suspension components,
• maintaining structural consistency of the entire rear suspension corner.

For many E46 Cabrio units, this is also a way to maintain the original handling characteristics for which this model is famous, without the need to invest in expensive new subassemblies.

Technical support and additional information

When selecting the element, it is worth paying attention to compliance with manufacturer markings – the part has a dedicated OEM number and related interchangeable numbers, which facilitates verification of compatibility with a specific body and braking system version. In case of doubt, it is helpful to compare the design with the element removed from the vehicle or consult a mechanic specializing in BMW.

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

When making decisions about chassis repairs and other key subassemblies, it is also worth knowing the arguments for choosing original used components instead of expensive refurbishments – this is discussed in more detail in the article: Manual transmission failures in cars – why is an original used part a more reasonable choice than refurbishment?.

If you want to better understand how using original used parts affects the vehicle's value upon later resale, the following guide will also be helpful: Original used parts vs. resale price – how not to lose money?.