BMW E90 330i N52 Rear Left N/S Suspension Leg Axle Brake Caliper Disc Wheel Hub

The Left Rear Suspension Assembly for BMW E90 330i N52 is a complete, used module encompassing the suspension strut, axle components, brake caliper, disc, and wheel hub. This is a practical service solution for BMW 3 Series E90 owners with the N52 engine who require a cohesive, factory-spec assembly for professional rear axle repair. By combining several sub-assemblies into one kit, you gain easier installation, better fitment, and greater compatibility assurance.

Specifications and technical data

• SKU: 6774807-31
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6774807
• Substitutable numbers: 33326774807, 6774807, 34216768697, 6768697, 33217527081, 7527081, 33217553563, 7553563, 34216855004, 6855004, 33326757735, 6757735, 34216764655, 6764655, BG
• Weight: 150
• Location on the vehicle: Rear, Left
• Category: Suspension Component Replacement Kits

Intended Use and Kit Configuration

The presented component is a left rear suspension assembly designed for the BMW E90 330i with the N52 engine. This single module integrates key wheel area components: the suspension strut, a section of the axle, the brake caliper, the brake disc, and the wheel hub. This configuration facilitates the maintenance of correct geometry and reduces the risk of fitment issues between individual parts during repair.

Benefits of Using a Complete Kit

Utilizing a complete left rear assembly offers tangible service and operational benefits:

• Cohesive fitment of suspension, brake, and hub elements within a single wheel assembly,
• Reduced time required for diagnostics and selection of individual components,
• Minimized risk of incorrect installation or wear discrepancies between parts,
• Easier inspection of the entire assembly's technical condition during installation.

For workshops and private users, this translates to a more predictable repair outcome and greater convenience when replacing rear axle components.

Application in Suspension and Braking Systems

This module operates in the critical area of the rear axle, responsible for wheel guidance, load transfer, and interaction with the braking system. The inclusion of the brake caliper and disc within a single assembly ensures the correct positioning of friction elements relative to the hub, promoting even brake performance. The integrated wheel hub provides stable wheel rim seating and proper force transfer to the suspension.

Product Characteristics and Fitment

The offered kit is from the BMW brand, meaning factory geometry and construction consistent with solutions used in the 3 Series E90 330i N52. The used nature of the part makes it a sensible option for repairs where maintaining original construction while optimizing costs is important. The assembly is designed for installation on the left side of the rear axle, which is relevant when planning to replace in pairs or on one side.

Operation of a Used Suspension Kit

When installing a used suspension module, it is advisable to pay attention to the correct tightening of bolted connections, inspect the condition of cooperating rubber elements, and set the rear axle geometry after completing the work. To maximize the potential of such a kit and limit its future wear, practical maintenance tips will be helpful. Detailed advice can be found in the article How to Extend the Lifespan of Used Car Parts?, which describes, among other things, best practices for suspension and brake components.

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

For those interested in the characteristics of the brand's sporty solutions and the differences between standard and more dynamic configurations, the post BMW M Performance: What's the Difference Between BMW M and Standard Components? may also be helpful, discussing, among other things, the impact of suspension and brakes on car handling.