BMW 3 E90 325i N52 Rear Left N/S Suspension Leg Axle Brake Hub

BMW 3 E90 325i N52 Rear Left N/S Suspension Leg Axle Brake Hub is a complete, used module designed for the rear axle on the driver's side. It includes key components responsible for wheel guidance, load transfer, and interaction with the braking system, allowing for the efficient replacement of the entire assembly instead of individual parts. By maintaining factory geometry, it serves as a practical service solution for suspension and chassis repairs in the BMW 3 Series E90 325i with the N52 engine.

Specifications and technical data

• SKU: 6774807-17
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6774807
• Substitutable numbers: 33326774807, 6774807, 34216768697, 6768697, 33217527081, 7527081, 33217553563, 34216855007, 6855007, 33326757735, 6757735, 34216764651, 6764651
• Location on the vehicle: Rear, Left
• Offset (ET):
• Category: Suspension Component Replacement Kits

Purpose and function in the vehicle

The presented assembly is dedicated to the rear left side of the BMW 3 Series E90 body in the 325i version with the N52 unit. It contains elements responsible for:

• guiding the wheel along the vehicle's axis and maintaining proper suspension geometry,
• stable mounting of the hub and interaction with the drive shaft,
• transferring braking forces from the disc to the suspension structure,
• ensuring adequate connection rigidity in the rear axle area.

A module configured in this way facilitates service, especially in situations where there has been mechanical damage to the suspension, hub, or mounting elements following a collision or intensive use.

Benefits of using a complete suspension assembly

Using a complete rear left suspension assembly with hub and brake components in the BMW E90 325i N52 allows for reduced repair time and minimizes the risk of assembly errors. In one module, you receive:

• factory-matched mounting geometry relative to the body and braking system,
• consistency of components within one side of the axle,
• easier diagnostics of potential play and irregularities in suspension operation.

For workshops and users, this means a more predictable repair outcome and fewer disassemblies and re-adjustments compared to replacing individual components.

Application in service practice

This type of suspension assembly is particularly useful in situations where:

• the suspension arm has been bent or the hub damaged after hitting an obstacle,
• there are problems with proper wheel alignment and geometry on the rear left side,
• simultaneous intervention in the suspension and braking system area on the same side of the vehicle is necessary.

Replacing the complete module often allows for restoring proper vehicle handling, reducing vibrations, and stabilizing the operation of the braking system on the given axle.

Characteristics as a used BMW part

The offered suspension assembly comes from a dismantled BMW vehicle and is classified as a used part. This means it retains the manufacturer's original design while providing an economical alternative to new components. This type of solution is often chosen for:

• post-accident repairs, where structural compliance with the factory solution is important,
• reducing service costs while maintaining original BMW specifications,
• modernizing or restoring the efficiency of the rear axle in cars used on a daily basis.

Thanks to this, it is possible to maintain the proper driving characteristics and comfort typical of the 3 Series E90, without the need to invest in a full set of new elements.

Expanding the scope of repairs and additional materials

If you are planning a comprehensive repair or modernization of the rear axle suspension area in your BMW and need other elements from the same group, such as additional arms, mounts, or complete axle modules, check the available parts in the BMW suspension replacement kits category.

When planning your repair budget, it is also worth learning about the specifics of the premium used parts market – practical tips on the cost-effectiveness of purchasing original dismantled parts can be found in the article Used parts for Mercedes – original parts from dismantling, which discusses the approach to choosing components in the premium brand segment.

For those interested in a broader context of operating and servicing BMW power units, including the costs of parts from the secondary market, the comparative material BMW N47 vs M57 / M57N / M57N2 – ranking of legendary diesels may also be helpful, as it shows how the selection of appropriate components affects the durability and economy of car usage.