BMW 3 E90 318i 320i N43 N46 Rear Left N/S Suspension Axle Leg Brake Disc Hub

BMW 3 E90 318i 320i N43 N46 Rear Left N/S Suspension Axle Leg Brake Disc Hub is an original suspension component designed for the rear left side of the vehicle. Thanks to its factory geometry and precise fitment for the E90 platform, it ensures stable handling, predictable body behavior, and proper integration with other suspension components. It is a practical solution for users looking to restore the correct operation of the rear axle without compromising on fitment.

Specifications and technical data

• SKU: 6774809-37
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6774809
• Substitutable numbers: 33326774809, 6774809, 34216768697, 6768697, 34216855007, 6855007, 33326774806, 6774806, 33326757080, 33326761582, 6761582, 34216764651, 6764651, 33217525821, 7525821, 33217553561, 7553561, BG, 33326761581, 6761581, 33326774805, 6774805, 33326757079, 6757079
• Location on the vehicle: Rear, Left
• Category: Suspension Component Replacement Kits

Purpose and vehicle placement

The presented axle leg with hub is designed for installation on the rear left side of the vehicle. It is responsible for power transmission to the wheel and maintaining proper suspension geometry, which translates into confident handling and predictable car reactions during acceleration, braking, and cornering. Integrating the axle shaft and hub functions into a single assembly simplifies maintenance and reduces the risk of installation errors.

Technical and functional characteristics

The item belongs to the Suspension replacement kits group, meaning it is a key part for comprehensive rear axle service – especially after collisions, intensive use, or when noticeable play and improper vehicle handling occur. The design of the axle and hub is adapted to the specifics of the 150 HP N46 engine, ensuring proper durability and compatibility with the factory drivetrain.

Its original BMW origin helps maintain factory suspension performance parameters, including proper cooperation with bearings, the hub, mounting elements, and the braking system. In practice, this means less interference with the vehicle's structure and no need for adaptations or modifications.

Benefits of using an original BMW component

Using an original axle leg with hub on the rear left side offers a number of practical benefits:

• preservation of factory suspension geometry and driving stability,
• consistent cooperation with other rear axle components,
• reduction of vibrations and unwanted play in the suspension system,
• easier diagnostics and service due to compliance with manufacturer documentation.

For the user, this means more predictable car behavior, better vehicle control, and the ability to effectively utilize the performance of the N46 engine. The original axle and hub assembly is particularly recommended for repairs following mechanical damage, where restoring full functionality of the rear axle is essential.

Condition, fitment, and installation aspects

The item is offered as a used part, allowing for an economical repair while maintaining the original BMW design. Before installation, it is recommended to perform a standard verification of the condition of working surfaces, mounting points, and cooperating suspension and brake components to ensure the entire system functions cohesively. A correctly selected axle and hub facilitate maintaining proper wheel alignment and camber angles, which directly impacts tire wear and driving comfort.

After installation, it is advisable to perform a suspension geometry check at a diagnostic station to fully utilize the potential of the newly installed component and ensure even loading of the rear axle.

Technical support and additional resources

If you are planning a comprehensive repair or upgrade of your BMW's rear suspension area and need other elements from the same group, such as control arms, bushings, or stabilizers, check out the available parts in the BMW suspension replacement kits category.

For users who want to better understand the relationships between shock absorbers, control arms, and stabilizers, and the impact of these components on driving safety, the guide article Suspension system – a comprehensive guide to shock absorbers, control arms, and stabilizers will be helpful.

If you are interested in the topic of consciously selecting original, used components for Bavarian models and want to learn practical tips on selecting parts by OEM numbers, it is worth reading the material BMW – sports performance and precision. How do original used parts extend the life of a Bavarian icon?.