BMW 6 Series E63 630i N52 Rear Left N/S Suspension Hub Leg Brake Caliper Disc

BMW 6 Series E63 630i N52 Rear Left N/S Suspension Hub Leg Brake Caliper Disc is a practical solution for demanding users who want to restore the efficiency of the rear axle in a single component. This used suspension replacement kit includes key components of the rear driver-side suspension corner, which facilitates service and reduces repair time.

Specifications and technical data

• SKU: 6763119-6
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6754557
• Substitutable numbers: 33326754557, 6754557, 34216758057, 6758057, 33217527322, 7527322, 34216864061, 6864061, 33326770831, 6770831, 34216753215, 6753215, 34216772085, 6772085, 33207521131, 7521131, BG
• Location on the vehicle: Rear, Left
• Category: Suspension Component Replacement Kits

Intended use and kit configuration

The presented item is a rear, left (driver side) suspension assembly designed for the BMW 6 Series E63 in the 630i version with the N52 engine. In one module, you receive an integrated hub, steering knuckle (leg), brake caliper, and brake disc, which allows for a consistent replacement of the entire suspension corner without the need to source parts from different suppliers.

Thanks to this configuration, it is easier to maintain the correct rear axle geometry and reduce the risk of component mismatch. This solution is particularly beneficial for post-accident repairs, replacing worn load-bearing elements, or restoring the vehicle's factory handling characteristics.

Benefits of using an original BMW assembly

The original BMW suspension assembly ensures proper joint stiffness, appropriate hub bearing operating characteristics, and correct cooperation of the braking system with the vehicle's safety systems. The factory design guarantees compatibility with stock wishbones, shock absorbers, and brake hardware, which facilitates installation and subsequent operation.

Choosing a complete rear left suspension module allows you to:

• minimize the time spent on diagnostics and disassembly of individual components,
• reduce the number of bolted connections loosened during repair,
• maintain material and structural consistency of the entire corner,
• achieve predictable vehicle behavior after repair.

Installation and operational characteristics

The rear left suspension assembly with hub, steering knuckle, caliper, and brake disc is designed for installation in the factory mounting points of the BMW 6 Series E63 630i N52. The design, based on original BMW solutions, allows for the use of standard service procedures and workshop tools, which is important for both professional service centers and advanced users servicing the vehicle themselves.

Placement on the vehicle: rear, left side means that the component is responsible for transferring vertical and lateral loads in the left rear corner, as well as for the proper operation of the braking system on that wheel. A correctly selected and installed assembly has a direct impact on braking stability, cornering behavior, and even tire wear.

Application in repairs and upgrades

Such a complete suspension module will prove useful for:

• repairs after mechanical damage to the rear axle (e.g., hitting a curb, collision),
• replacing worn load-bearing and braking elements in a single service process,
• restoring factory handling parameters after unsuccessful suspension modifications.

Because this is a suspension replacement kit, the mechanic has the opportunity to simultaneously check the condition of mounts, bushings, and mating parts, which promotes a comprehensive approach to rear axle maintenance.

How to care for a used suspension assembly

To maximize the potential of a used suspension module, it is worth paying attention to the proper maintenance of brake components and regular inspection of the condition of bearings and mounting points. Good practice also includes periodic cleaning of the caliper and disc from road deposits and checking for play after the first few thousand kilometers following installation.

If you want to better care for the durability of such components, check out the practical tips included in the article How to extend the life of used car parts?, where proven methods for operating and maintaining dismantled suspension components are described.

Expanding the scope of work on the BMW rear axle

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