BMW 3 E46 Saloon 325i M54 Rear Left N/S Suspension Leg Brake Wheel Hub Axle

BMW 3 E46 Saloon 325i M54 Rear Left N/S Suspension Leg Brake Wheel Hub Axle is a complete assembly unit designed for the rear axle on the driver's side. It includes an integrated suspension leg assembly with wheel hub and brake mount, which facilitates the replacement of a damaged module in BMW 3 Series E46 saloon 325i models with the M54 engine.

Specifications and technical data

• SKU: 6774777-3
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6774777
• Substitutable numbers: 33326774777, 6774777, 34216758135, 6758135, 33211229495, 1229495, 33211229591, 1229591, 34216864056, 6864056, 33321136643, 1136643, 33321094457, 1094457, 33326770803, 6770803, 34211165033, 1165033, 34211165563, 34216855154, 6855154
• Location on the vehicle: Rear, Left
• Category: Suspension Component Replacement Kits

Purpose and compatibility

The presented rear left suspension assembly has been designed specifically for the BMW 3 Series E46 saloon 325i with the M54 unit. The placement on the vehicle is the rear axle, left side, which allows for precise fitting to the factory mounting points in the body and chassis.

The component comes from the original BMW parts line, ensuring it maintains the correct suspension geometry, appropriate stiffness, and compatibility with factory brake system settings and wheel guidance.

Assembly construction: suspension leg, hub, brake mount

The rear left suspension assembly combines several key components responsible for wheel guidance and load transfer to the body in a single design. In one module, you receive, among others:

• a suspension leg with mounts for wishbones and the body,
• a wheel hub prepared for the brake system,
• a set of mounts for brake components (disc, caliper, shields),
• an integrated rear left wheel axle.

This design facilitates the replacement of the entire module in the event of mechanical damage, corrosion, or excessive play within the hub and suspension mounts.

Benefits of using an original suspension assembly

Using a complete, original BMW suspension assembly from dismantling allows you to maintain factory handling characteristics and proper cooperation with the brake system and vehicle safety systems. Compared to refurbishing individual components, installing a complete module significantly reduces repair time and limits the risk of assembly errors.

This solution is particularly beneficial for post-accident repairs, replacing corroded rear axle components, or during a comprehensive suspension restoration in a BMW 3 E46 325i, where maintaining the correct geometry and stiffness of the entire system is crucial.

Professional installation and operation of the used component

Due to the nature of the load-bearing component and driving safety, installation by an experienced service center using appropriate tools for geometry control is recommended. After installation, it is advisable to perform a rear axle alignment and check the operation of the brake system.

To maximize the potential of the used suspension assembly, it is worth familiarizing yourself with practical tips regarding the maintenance and operation of parts from dismantling – detailed advice can be found in the article How to extend the life of used car parts?.

Expansion and modernization of BMW suspension

If you are planning a comprehensive repair or modernization of the suspension area in your BMW and need other elements from the same group, such as wishbones, shock absorber struts, or additional mounts, check the available parts in the category BMW suspension replacement kits.